# Aircraft Air Conditioning, Heating, and Pressurizing Equipment (PSC 1660) Canonical: https://abierto.us/psc/1660 Federal contract opportunities under product and service code 1660. 109 opportunities in the window, 35 open now. ## Open now (35) - Control Box, Electrical (SPRTA1-26-R-0379), Defense Logistics Agency, due September 16, 2026 at 3:00 PM EDT. https://abierto.us/opportunities/sprta126r0379 - HEAT EXCHANGER, AIR (SPRTA1-26-Q-1605), Defense Logistics Agency, due September 17, 2026 at 12:59 PM EDT. https://abierto.us/opportunities/sprta126q1605 - Tronair Digital Flowmeter Upgrade (W50S7Z26QA025), Department of the Army, due September 17, 2026 at 2:00 PM EDT. https://abierto.us/opportunities/w50s7z26qa025 - INSULATION,AIRCRAFT (N0038326QTC53), Department of the Navy, due September 18, 2026 at 4:30 PM EDT. https://abierto.us/opportunities/n0038326qtc53 - PAN,DRIP (N0038326QTC59), Department of the Navy, due September 18, 2026 at 4:30 PM EDT. https://abierto.us/opportunities/n0038326qtc59 - CONTROL BOX, ELECTRIC_End_Item_F16_NSN_1660013199517_PN_11260-4 (FD20302602699), Defense Logistics Agency, due September 22, 2026 at 12:59 AM EDT. https://abierto.us/opportunities/fd20302602699 - TURBINE,AIRCRAFT CO_End_Item_T-38_NSN_1660007983210_PN_552115 (FD20302602361), Defense Logistics Agency, due September 23, 2026 at 12:59 AM EDT. https://abierto.us/opportunities/fd20302602361 - Compressor Housing (FD20302601035), Defense Logistics Agency, due September 25, 2026 at 12:59 AM EDT. https://abierto.us/opportunities/fd20302601035 - CONTROLLER,AIR PRES, IN REPAIR/MODIFICATION OF (N0038326RMB17), Department of the Navy, due September 28, 2026 at 2:00 PM EDT. https://abierto.us/opportunities/n0038326rmb17 - TURBINE,AIRCRAFT CO, IN REPAIR/MODIFICATION OF (N0038326RNA81), Department of the Navy, due September 28, 2026 at 2:00 PM EDT. https://abierto.us/opportunities/n0038326rna81 - CONCENTRATOR,OXYGEN (SPRPA126RVC41), Defense Logistics Agency, due September 28, 2026 at 2:00 PM EDT. https://abierto.us/opportunities/sprpa126rvc41 - HEAT EXCHANGER,AIR, IN REPAIR/MODIFICATION OF (N0038326QBA55), Department of the Navy, due September 28, 2026 at 4:30 PM EDT. https://abierto.us/opportunities/n0038326qba55 - SCROLL HOUSING,AIRC (SPRTA1-26-Q-01897), Defense Logistics Agency, due September 29, 2026 at 12:59 AM EDT. https://abierto.us/opportunities/sprta126q01897 - SCROLL HOUSING,AIRC (SPRTA1-26-Q-1881), Defense Logistics Agency, due September 29, 2026 at 12:59 AM EDT. https://abierto.us/opportunities/sprta126q1881 - CONTROL BOX, ELECTRICAL / NSN 1660-01-323-5309 / F16 AIRCRAFT (SPE4A726R0765), Defense Logistics Agency, due October 1, 2026 at 3:00 PM EDT. https://abierto.us/opportunities/spe4a726r0765 - NSN: 1660013310068 HEAT EXCHANGER,AIR (SPRTA1-26-Q-0458), Defense Logistics Agency, due October 1, 2026 at 4:00 PM EDT. https://abierto.us/opportunities/sprta126q0458 - VALVE ASSEMBLY,ENVI (N0038326QSB58), Department of the Navy, due October 2, 2026 at 4:30 PM EDT. https://abierto.us/opportunities/n0038326qsb58 - HEAT EXCHANGER,FLUI, IN REPAIR/MODIFICATION OF (N0038326QBA72), Department of the Navy, due October 5, 2026 at 12:00 AM EDT. https://abierto.us/opportunities/n0038326qba72 - Regulator, Oxygen, De (SPRTA1-26-R-0405), Defense Logistics Agency, due October 8, 2026 at 5:00 PM EDT. https://abierto.us/opportunities/sprta126r0405 - HEAT EXCHANGER, AIR (SPRTA1-26-Q-0390), Defense Logistics Agency, due October 9, 2026 at 12:59 AM EDT. https://abierto.us/opportunities/sprta126q0390 - CONCENTRATOR, OXYGEN (SPRTA1-26-Q-0462), Defense Logistics Agency, due October 9, 2026 at 4:00 PM EDT. https://abierto.us/opportunities/sprta126q0462 - TURBINE, AIRCRAFT CO (SPRTA1-26-Q-2096), Defense Logistics Agency, due October 11, 2026 at 12:59 AM EDT. https://abierto.us/opportunities/sprta126q2096 - REGULATOR, AIR PRESS (SPRTA1-26-Q-1404), Defense Logistics Agency, due October 12, 2026 at 12:59 AM EDT. https://abierto.us/opportunities/sprta126q1404 - TURBINE,AIRCRAFT CO (SPRTA1-26-Q-2266), Defense Logistics Agency, due October 12, 2026 at 12:59 AM EDT. https://abierto.us/opportunities/sprta126q2266 - 05F | C/KC-135 | COUPLING, FLEXIBLE (SPE4A726R0778), Defense Logistics Agency, due October 12, 2026 at 3:00 PM EDT. https://abierto.us/opportunities/spe4a726r0778 - VALVE,ECS, IN REPAIR/MODIFICATION OF (N0038326QLB15), Department of the Navy, due October 13, 2026 at 12:00 AM EDT. https://abierto.us/opportunities/n0038326qlb15 - HEAT EXCHANGER,FLUI, IN REPAIR/MODIFICATION OF (N0038326QBA92), Department of the Navy, due October 13, 2026 at 4:30 PM EDT. https://abierto.us/opportunities/n0038326qba92 - VALVE ASSEMBLY,ENVI (SPRPA126QUB72), Defense Logistics Agency, due October 15, 2026 at 4:30 PM EDT. https://abierto.us/opportunities/sprpa126qub72 - Disconnect Assembly Lower (SPE7M426R0076), Defense Logistics Agency, due October 16, 2026 at 3:00 PM EDT. https://abierto.us/opportunities/spe7m426r0076 - VALVE ASSEMBLY,ENVI, IN REPAIR/MODIFICATION OF (N0038326QSC26), Department of the Navy, due October 26, 2026 at 12:00 AM EDT. https://abierto.us/opportunities/n0038326qsc26 - CYLINDER ASSEMBLY,O, IN REPAIR/MODIFICATION OF (N0038326RSB81), Department of the Navy, due October 26, 2026 at 12:00 AM EDT. https://abierto.us/opportunities/n0038326rsb81 - VALVE,ECS (N0038326QLB20), Department of the Navy, due October 27, 2026 at 12:00 AM EDT. https://abierto.us/opportunities/n0038326qlb20 - CRADLE, ASSEMBLY, OXYGEN (SPE4A7-26-R-0802), Defense Logistics Agency, due October 28, 2026 at 2:00 PM EDT. https://abierto.us/opportunities/spe4a726r0802 - TURBINE,COOLING, IN REPAIR/MODIFICATION OF (N0038326RHA82), Department of the Navy, due November 18, 2026 at 1:00 PM EST. https://abierto.us/opportunities/n0038326rha82 - HEAT EXCHANGER,AIR (N0038326RHA77), Department of the Navy, due December 2, 2026 at 1:00 PM EST. https://abierto.us/opportunities/n0038326rha77 ## Recent (74 in all) - September 15, 2026: Duct Assembly, Air C (70Z03826QJ0000206), special notice. https://abierto.us/opportunities/70z03826qj0000206 - September 11, 2026: NSN:1660-01-210-6728BO NOUN:REGULATOR,OXYGEN,DE (SPRTA1-26-Q-0424), award notice, awarded to DAVINCI AIRCRAFT, Inc. Van Nuys. https://abierto.us/opportunities/sprta126q0424 - September 10, 2026: OVERHAUL CYLINDER, OXY EMERG (70Z03826QW0000098), award notice, awarded to Ametek Ameron, LLC. https://abierto.us/opportunities/70z03826qw0000098 - September 9, 2026: Sole Source - Purchase of Liquid Air Palletized Systems (LAPS), Air Handling Units (AHUs), Engineering Services, Repair parts and associated data (N0016426GJQ32), justification, awarded to MEGGITT DEFENSE SYSTEMS, Inc. Irvine. https://abierto.us/opportunities/n0016426gjq32 - September 8, 2026: COMPENSATOR ASSEMBLY, AIRCRAFT (SPE4A726R0305), justification, awarded to S3 Aerodefense LLC. https://abierto.us/opportunities/spe4a726r0305 - September 8, 2026: TANK,LIQUID OXYGEN MULTI ACFT (SPRTA126Q0205), award notice, awarded to ESSEX INDUSTRIES, Inc. Saint Louis. https://abierto.us/opportunities/sprta126q0205 - September 8, 2026: TANK,LIQUID OXYGEN- MULTI ACFT (SPRTA126Q0206), award notice, awarded to ESSEX INDUSTRIES, Inc. Saint Louis. https://abierto.us/opportunities/sprta126q0206 - August 31, 2026: AIRCRAFT COOLING TURBINE (SPRTA1-26-F-0284), justification, awarded to HONEYWELL INTERNATIONAL Inc. Torrance. https://abierto.us/opportunities/sprta126f0284 - August 28, 2026: CONTROL BOX, ELECTRICAL_End_Item_B-1B_NSN_1660011433525_PN_783421-1-1 (FD20302700217), sources sought. https://abierto.us/opportunities/fd20302700217 - August 28, 2026: Turbine, Aircraft Co_End_Item_F-16_NSN_1660014608886_PN_2204330-4-2 (FD20302700251), sources sought. https://abierto.us/opportunities/fd20302700251 - August 26, 2026: REGULATOR, AIR PRESS (FD20302501971), award notice, awarded to HONEYWELL INTERNATIONAL, Inc. Oro Valley. https://abierto.us/opportunities/fd20302501971 - August 25, 2026: Remanufacture of F16 Heat Exchanger (FA811826R0042), award notice, awarded to WALL COLMONOY Corp. Oklahoma City. https://abierto.us/opportunities/fa811826r0042 - August 25, 2026: 1660-004212087, DUCT ASSEMBLY, AIR CONDITIONING-HEATING, A; 11F, C-5 GALAXY AIRCRAFT (SPE4A726R0766), sources sought. https://abierto.us/opportunities/spe4a726r0766 - August 25, 2026: GENERATOR, ALTERNATI (SPRTA1-26-C-0129), award notice, awarded to INTERTRADE LIMITED Cedar Rapids. https://abierto.us/opportunities/sprta126c0129 - August 25, 2026: Oxygen Monitor, Acft (SPRTA1-26-F-0437), award notice, awarded to LOCKHEED MARTIN CORPORATION Fort Worth. https://abierto.us/opportunities/sprta126f0437 - August 24, 2026: Valve Assembly Envi_End_Item_KC-135_NSN_1660006265443_PN_104894 (FD20302700236), sources sought. https://abierto.us/opportunities/fd20302700236 - August 24, 2026: SPE4A726R0599 - 1660 - REGULATOR, OXYGEN / WSIC F (SPE4A726R0599), justification. https://abierto.us/opportunities/spe4a726r0599 - August 21, 2026: Overhaul of Heat Exchanger (70Z03826QH0000103), award notice, awarded to Sherwood Avionics and Accessories, Inc.. https://abierto.us/opportunities/70z03826qh0000103 - August 20, 2026: TURBINE, AIRCRAFT CO_End_Item_E-3_NSN_1660014608886_PN_2204330-4-2 (FD20302602096-01), sources sought. https://abierto.us/opportunities/fd2030260209601 - August 20, 2026: HEAT EXCHANGER,AIR (SPRPA126QWB60), solicitation. https://abierto.us/opportunities/sprpa126qwb60 - August 20, 2026: WATER SEPARATOR (SPRTA1-26-F-0307), justification. https://abierto.us/opportunities/sprta126f0307 - August 18, 2026: Purchase of Oxygen Regulators (70Z03826DH0000002), award notice, awarded to MISSION SYSTEMS DAVENPORT Inc. Davenport. https://abierto.us/opportunities/70z03826dh0000002 - August 17, 2026: Purchase Mask Oxygen-Full Face for U.S. Coast Guard Aircraft HC-144 (70Z03826QL0000175), award notice, awarded to Safran Aerosystems Services Americas LLC. https://abierto.us/opportunities/70z03826ql0000175 - August 14, 2026: N0038326PR0R766 FMS Repair (N0038326QS111), solicitation. https://abierto.us/opportunities/n0038326qs111 - August 14, 2026: HEAT EXCHANGER,AIR (SPRPA126QVC46), solicitation. https://abierto.us/opportunities/sprpa126qvc46 - August 14, 2026: CONTROL BOX ELECTRIC (SPRTA1-26-Q-1916), combined synopsis and solicitation. https://abierto.us/opportunities/sprta126q1916 - August 13, 2026: CONTROLLER,TEMPERAT (N0038326QMA96), solicitation. https://abierto.us/opportunities/n0038326qma96 - August 12, 2026: 49 NSN Gentex SPE4AX17D9402 Follow-On, Solicitation SPE4A726R0491 (Amendment0002), presolicitation. https://abierto.us/opportunities/amendment0002 - August 11, 2026: Oxygen Regulator (FD20302601420), sources sought. https://abierto.us/opportunities/fd20302601420 - August 11, 2026: MASK,OXYGEN (SPE4A726RX432), justification, awarded to Avox Systems Inc.. https://abierto.us/opportunities/spe4a726rx432 - August 11, 2026: CONCENTRATOR,OXYGEN (SPRPA126RVA53), award notice, awarded to Mission Systems Davenport Inc.. https://abierto.us/opportunities/sprpa126rva53 - August 11, 2026: Control Box, Electri (SPRTA1-26-R-0330), solicitation. https://abierto.us/opportunities/sprta126r0330 - August 10, 2026: CONTROL BOX UNIT (SPRPA126PZA47), award notice, awarded to COX & COMPANY, Inc. Plainview. https://abierto.us/opportunities/sprpa126pza47 - August 7, 2026: CONTROL BOX,ELECTRI_End_Item_B-1_NSN_1660011486207_PN_735343 (FD20302700175), sources sought. https://abierto.us/opportunities/fd20302700175 - August 7, 2026: Eatons Phantom Oxygen Jump Bottle (W912L126QA016), special notice. https://abierto.us/opportunities/w912l126qa016 - August 6, 2026: HEAT EXCHANGER,FLUI, IN REPAIR/MODIFICATION OF (N0038326QBA38), solicitation. https://abierto.us/opportunities/n0038326qba38 - August 5, 2026: Overhaul of Oxygen Regulators (70Z03826DH0000003), award notice, awarded to SHERWOOD AVIONICS AND ACCESSORIES, Inc. Opa Locka. https://abierto.us/opportunities/70z03826dh0000003 - August 5, 2026: DUCT ASSEMBLY,AIR C (N0038326QTC08), solicitation. https://abierto.us/opportunities/n0038326qtc08 - August 5, 2026: 49 NSN Gentex SPE4AX17D9402 Follow-On, Solicitation SPE4A726R0491 (SPE4A726R0491-0002), sources sought. https://abierto.us/opportunities/spe4a726r04910002 - August 4, 2026: Scroll Housing, Airc (FD20302501901), justification, awarded to HONEYWELL INTERNATIONAL Inc. Phoenix. https://abierto.us/opportunities/fd20302501901 - July 31, 2026: AIR CONDITIONING EQ, IN REPAIR/MODIFICATION OF (N0038326QNA48), solicitation. https://abierto.us/opportunities/n0038326qna48 - July 31, 2026: Noun_REGULATOR, OXYGEN, DE_Application_A-10, C-130, C-17_NSN_1660-01-407-8856_Part_Number_29270-10A-B2 (SPRTA1-26-R-0373), solicitation. https://abierto.us/opportunities/sprta126r0373 - July 30, 2026: HEAT EXCHANGER,FLUI (N0038325RB325), award notice, awarded to Ametek Thermal Systems Inc.. https://abierto.us/opportunities/n0038325rb325 - July 30, 2026: HEAT EXCHANGER,FLUI, IN REPAIR/MODIFICATION OF (N0038326QBA37), solicitation. https://abierto.us/opportunities/n0038326qba37 - July 28, 2026: VALVE ASSEMBLY,ENVI, IN REPAIR/MODIFICATION OF (N0038326QNA55), solicitation. https://abierto.us/opportunities/n0038326qna55 - July 27, 2026: NSN 1660-01-183-2008, AIRCRAFT DUCT ASSEMBLY, WSDC: 11F, AIRCRAFT, GALAXY C-5 (SPE4A726R0394_JA), justification. https://abierto.us/opportunities/spe4a726r0394ja - July 24, 2026: VALVE,ECS, IN REPAIR/MODIFICATION OF (N0038325QC612), solicitation. https://abierto.us/opportunities/n0038325qc612 - July 24, 2026: VARIOUS LIFE SUPPORT ITEMS, MASK BRACKET, PAD COVER, MASK CABLE GUIDE, VALVE VENT BODY, SUSPENSION ASSEMBLY (SPE4A7-25-D-0016), justification. https://abierto.us/opportunities/spe4a725d0016 - July 23, 2026: 49 NSN Gentex SPE4AX17D9402 Follow-On, Solicitation SPE4A726R0491 (SPE4A726R0491-0001), sources sought. https://abierto.us/opportunities/spe4a726r04910001 - July 22, 2026: AWARD NOTICE FOR 31100PR260000046 - USCG BASE LALB BUILDING 20 CHILLER REPAIR (31100PR260000046), award notice, awarded to Mesa Energy Systems, Inc.. https://abierto.us/opportunities/31100pr260000046 - July 22, 2026: HEAT EXCHANGER,AIR (N0038326RBA26), solicitation. https://abierto.us/opportunities/n0038326rba26 - July 21, 2026: FMS Repair N0038326PR0R414 (N0038326QS106), solicitation. https://abierto.us/opportunities/n0038326qs106 - July 21, 2026: CONTROL BOX UNIT (SPRPA126QZB36), solicitation. https://abierto.us/opportunities/sprpa126qzb36 - July 20, 2026: VALVE ASSEMBLY,ENVI, IN REPAIR/MODIFICATION OF (N0038326QNA46), solicitation. https://abierto.us/opportunities/n0038326qna46 - July 20, 2026: SPE4A726R0710 – 1660 - HARNESS, CARRYING, OXYGEN / WSIC F (SPE4A726R0710), presolicitation. https://abierto.us/opportunities/spe4a726r0710 - July 20, 2026: SPE4A726R0713 - 1660 - BRACKET ASSEMBLY, MICROPHONE, OXYGEN MASK / WSIC F (SPE4A726R0713), presolicitation. https://abierto.us/opportunities/spe4a726r0713 - July 15, 2026: CONTROL BOX, ELECTRIC_End_Item_F016_NSN_1660013199517_PN_458-54703-502 (FD20302502107), sources sought. https://abierto.us/opportunities/fd20302502107 - July 15, 2026: CONVERTER TRANSDUCER_End_Item_F-16_NSN_1660012128889_PN_11264-1 (FD20302700063), sources sought. https://abierto.us/opportunities/fd20302700063 - July 15, 2026: CONTROL BOX, ELECTRIC_End_Item_F-16_NSN_1660013199517_PN_11260-4 (FD20302700064), sources sought. https://abierto.us/opportunities/fd20302700064 - July 14, 2026: FD2030-26-02296 (FD2030-26-02296), special notice. https://abierto.us/opportunities/fd20302602296 - July 14, 2026: HEAT EXCHANGER,FLUI (N0038326RBA27), solicitation. https://abierto.us/opportunities/n0038326rba27 - July 13, 2026: Control Box, Electrical (SPRTA1-26-Q-0400), solicitation. https://abierto.us/opportunities/sprta126q0400 - July 10, 2026: BOX,OXYGEN MASK STO (SPRPA126QUB32), solicitation. https://abierto.us/opportunities/sprpa126qub32 - July 9, 2026: OXYGEN MONITOR,ACFT _End_Item_F-16_NSN_1660014733548BO_PN_16VK058-2 (FD20302601346), sources sought. https://abierto.us/opportunities/fd20302601346 - July 8, 2026: Various Spare Parts for C-130J Aircraft (70Z03826PC0000154), award notice, awarded to Norcatec LLC. https://abierto.us/opportunities/70z03826pc0000154 - July 7, 2026: DUCT ASSEMBLY, AIR C / NSN 1660-00-221-1176 / C-5 AIRCRAFT (SPE4A726R0687), presolicitation. https://abierto.us/opportunities/spe4a726r0687 - July 6, 2026: STOWAGE BOX, MASK (SPRPA126QUB33), presolicitation. https://abierto.us/opportunities/sprpa126qub33 - July 2, 2026: Oxygen Monitor, Acft (SPRTA1-26-R-0312), solicitation. https://abierto.us/opportunities/sprta126r0312 - July 1, 2026: Overhaul of Heat Exchanger, Air (70Z03826QH0000090), combined synopsis and solicitation, awarded to Sherwood Avionics and Accessories, Inc.. https://abierto.us/opportunities/70z03826qh0000090 - July 1, 2026: Heat Exchanger, Air (SPRTA1-26-R-0311), solicitation. https://abierto.us/opportunities/sprta126r0311 - June 30, 2026: NSN 1660-010201917 & 1660-010201918, CELL ASSEMBLY,INLET, WSDC: 25F, AIRCRAFT, AWACS, E-3A (SPE4A726R0690), sources sought. https://abierto.us/opportunities/spe4a726r0690 - June 25, 2026: SPE4A526R0251; 1680017289813;DUCT ASSEMBLY,AIR C (1680017289813), sources sought. https://abierto.us/opportunities/1680017289813 - June 25, 2026: CONTROL BOX, ELECTRICAL NSN_1660-01-130-4645_Part_Number_3318488-1 (SPRTA126P0123), award notice, awarded to DARE ELECTRONICS, Inc. Troy. https://abierto.us/opportunities/sprta126p0123 - June 24, 2026: Seal Assembly, Turbi (SPRTA1-26-Q-0295), combined synopsis and solicitation. https://abierto.us/opportunities/sprta126q0295 --- Sources: SAM.gov Contract Opportunities extract and USAspending.gov award data. Cite https://abierto.us/psc/1660.