# Underwater Sound Equipment (PSC 5845) Canonical: https://abierto.us/psc/5845 Federal contract opportunities under product and service code 5845. 45 opportunities in the window, 6 open now. ## Open now (6) - DT-511C and DT-592D Hydrophone and Spare Parts (N6660426R0483), Department of the Navy, due September 16, 2026 at 12:00 PM EDT. https://abierto.us/opportunities/n6660426r0483 - Dome, Sonar (N0038326RB064), Department of the Navy, due September 21, 2026 at 4:00 PM EDT. https://abierto.us/opportunities/n0038326rb064 - CONTROL,SONAR HOIST (SPRPA126RRB11), Defense Logistics Agency, due October 1, 2026 at 2:00 PM EDT. https://abierto.us/opportunities/sprpa126rrb11 - DOME,SONAR (SPRPA126RRB06), Defense Logistics Agency, due October 5, 2026 at 2:00 PM EDT. https://abierto.us/opportunities/sprpa126rrb06 - ACCELEROMETER,MECHA (N0010426QNE28), Department of the Navy, due October 9, 2026 at 4:30 PM EDT. https://abierto.us/opportunities/n0010426qne28 - MODULATOR,SONAR (N0010426QNF09), Department of the Navy, due October 13, 2026 at 4:30 PM EDT. https://abierto.us/opportunities/n0010426qnf09 ## Recent (39 in all) - September 8, 2026: INNOVASEA ACO RELEASE RECEIVERS (140G0126Q0287), presolicitation. https://abierto.us/opportunities/140g0126q0287 - September 4, 2026: RFQ Norbit WINGHEAD X Elite Brand Name or Equivale (140G0126Q0270), solicitation. https://abierto.us/opportunities/140g0126q0270 - September 4, 2026: Notice of Intent to Award to a Sole Source (140G0126Q0282), special notice. https://abierto.us/opportunities/140g0126q0282 - September 3, 2026: Remote Minehunting (RMH) Module (N00024-26-C-6304), award notice, awarded to ADVANCED ACOUSTIC CONCEPTS, LLC Great River. https://abierto.us/opportunities/n0002426c6304 - September 3, 2026: VDS Equipment (N0018926QL354), award notice, awarded to FSR CONSULTING LLC Lansdale. https://abierto.us/opportunities/n0018926ql354 - September 3, 2026: Notice of Intent to Sole Source: Imaging Sonar Systems (W913E526N6038), presolicitation. https://abierto.us/opportunities/w913e526n6038 - September 2, 2026: Transponding Acoustic Release Receivers (140G0126Q0271), special notice. https://abierto.us/opportunities/140g0126q0271 - August 28, 2026: Purchase of Bottom Trawls for Alaskan Surveys (1305M326Q0499), solicitation. https://abierto.us/opportunities/1305m326q0499 - August 21, 2026: PROJECTOR,SONAR, IN REPAIR/MODIFICATION OF (N0010426RND71), solicitation. https://abierto.us/opportunities/n0010426rnd71 - August 14, 2026: Active Pressure Compensation System (N0017326Q5832), special notice. https://abierto.us/opportunities/n0017326q5832 - August 5, 2026: BEACON,SONAR (SPE4A726R0630), presolicitation. https://abierto.us/opportunities/spe4a726r0630 - July 31, 2026: HYDROPHONE BAFFLE RINGS (N0016426Q0256), combined synopsis and solicitation. https://abierto.us/opportunities/n0016426q0256 - July 31, 2026: SOLE SOURCE – Thermistor Connectors (N0016426Q0266), combined synopsis and solicitation. https://abierto.us/opportunities/n0016426q0266 - July 28, 2026: USGS Three-dimensional (3D) Imaging Sonar System (140G0126Q0228), combined synopsis and solicitation. https://abierto.us/opportunities/140g0126q0228 - July 28, 2026: AML MVP-Roam Underway Profiling System (141009-26-0083), presolicitation, awarded to Aml Oceanographic Ltd.. https://abierto.us/opportunities/141009260083 - July 28, 2026: HYDROPHONE HANDLE (N0016426Q0252), combined synopsis and solicitation. https://abierto.us/opportunities/n0016426q0252 - July 27, 2026: SOLE SOURCE – Sonar Software and Training (70Z02326QRASA105), solicitation, awarded to Chesapeake Technology, Inc.. https://abierto.us/opportunities/70z02326qrasa105 - July 27, 2026: Next Generation Surveillance Array (NGSA) (N0003926RE017), solicitation. https://abierto.us/opportunities/n0003926re017 - July 24, 2026: Depot Level Repair and Maintenance of AN/AQS-24 Sonar System and Related AMCM Systems (N61331-26-SN-Q06), special notice. https://abierto.us/opportunities/n6133126snq06 - July 24, 2026: Depot Level Repair and Maintenance of AN/AQS-24 Sonar System and Related AMCM Systems (N61331-26-SN-Q37), award notice, awarded to NORTHROP GRUMMAN SYSTEMS CORPORATION Annapolis. https://abierto.us/opportunities/n6133126snq37 - July 22, 2026: ACOUSTIC RECEIVER (140G0126Q0194), award notice, awarded to Innovasea Marine Systems Canada Inc.. https://abierto.us/opportunities/140g0126q0194 - July 21, 2026: Environmental Node Instrumentation for Acoustic data Collection (ENIAC) System (N0018926PL241), award notice, awarded to XENTURIS LLC Missoula. https://abierto.us/opportunities/n0018926pl241 - July 16, 2026: One (1) complete portable USV surveying system (1305M226Q0205), combined synopsis and solicitation, awarded to Seafloor Systems, Inc.. https://abierto.us/opportunities/1305m226q0205 - July 15, 2026: R2SONIC 2020-V PLUS WIDEBAND MULTI-BEAM ECHO-SOUNDER SYSTEM (MBES) AND AN RTK INTEGRATED INERTIAL NAVIGATION SYSTEM (I2NS). (141009-26-0082), presolicitation, awarded to R2sonic, LLC. https://abierto.us/opportunities/141009260082 - July 13, 2026: TOWED ARRAY SUBASSE (N0010426QNA28), solicitation. https://abierto.us/opportunities/n0010426qna28 - July 13, 2026: HYDROPHONE BACKING PLATES (N0016426Q0197), combined synopsis and solicitation. https://abierto.us/opportunities/n0016426q0197 - July 10, 2026: EDGETECH 4125i TELEMETRY SIDE SCAN SYSTEM AND AN EDGETECH 3400 POLE MOUNT SUB-BOTTOM PROFILER SYSTEM. (141009-26-0080_141009-26-0084), presolicitation. https://abierto.us/opportunities/141009260080141009260084 - July 10, 2026: Sole Source- United States Naval Academy Doppler Velocity Logger (N0018926QL251), solicitation. https://abierto.us/opportunities/n0018926ql251 - July 10, 2026: Towed Array Integrated Product Team (TAIPT) Telemetry and Engineering Services (N6660426DP600), award notice, awarded to L3 TECHNOLOGIES Inc. Millersville. https://abierto.us/opportunities/n6660426dp600 - July 9, 2026: BIOSONICS ACOUSTIC EQUIPMENT (140G0226Q0063), award notice, awarded to Biosonics, Inc.. https://abierto.us/opportunities/140g0226q0063 - July 7, 2026: NRP,MODULE,ACOUSTIC, IN REPAIR/MODIFICATION OF (N0010426QNC50), award notice, awarded to Lockheed Martin Corporation. https://abierto.us/opportunities/n0010426qnc50 - July 6, 2026: CUTTER HAWSEPIPE (N0010425QFC47), solicitation. https://abierto.us/opportunities/n0010425qfc47 - July 6, 2026: PANEL,SONAR GTC - AND SIMILAR REPLACEMENT PARTS (N0010425QYJ69), solicitation. https://abierto.us/opportunities/n0010425qyj69 - July 1, 2026: Intent to Award-acoustic transmitter (140G0126Q0205), presolicitation. https://abierto.us/opportunities/140g0126q0205 - June 30, 2026: Acoustic Decoupler, Baffle (SPMYM4-26-Q-3513), solicitation. https://abierto.us/opportunities/spmym426q3513 - June 29, 2026: N0016426RGN02 – SOLE SOURCE – PROCUREMENT OF TR-343 TRANSDUCER CERAMIC STACK ASSEMBLIES – PSC 5845 – NAICS 334511 (N0016426SNB89), presolicitation. https://abierto.us/opportunities/n0016426snb89 - June 27, 2026: PROJECTOR,SONAR, IN REPAIR/MODIFICATION OF (N0010426RNC70), presolicitation. https://abierto.us/opportunities/n0010426rnc70 - June 25, 2026: Environmental Node Instrumentation for Acoustic data Collection (ENIAC) System (N0018926QL146), combined synopsis and solicitation. https://abierto.us/opportunities/n0018926ql146 - June 23, 2026: INNOVASEA ACOUSTIC RELEASE RECEIVER (140G0226P0168), award notice, awarded to Innovasea Marine Systems Canada Inc.. https://abierto.us/opportunities/140g0226p0168 --- Sources: SAM.gov Contract Opportunities extract and USAspending.gov award data. Cite https://abierto.us/psc/5845.