# SEWIP Family of Systems MAC-IDIQ Canonical: https://abierto.us/opportunities/n0002426r5504 - Solicitation number: N0002426R5504 - Notice type: Solicitation - Status: Closed. Deadline was April 9, 2026 at 5:00 PM EDT - Department: Department of the Navy - Agency: Department of the Navy - Contracting office: NAVSEA HQ (N00024) - NAICS: 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing - Product or service code: 5865 Electronic Countermeasures, Counter-Countermeasures and Quick Reaction Capability Equipment - First posted: January 30, 2026 - Last posted: April 2, 2026 - SAM.gov: https://sam.gov/workspace/contract/opp/4d42f581c3e549278c10995068c61f0f/view ## Description 02 April 2026 This update includes solicitation N00024-26-R-5504 Amendment 4. The purpose of this amendment is to 1) delete 52.242-4 Certification of Final Indirect Costs from Section I and the FAR/DFARS/NAVSEA Fill-In Provisions and Clauses Spreadsheet and 2) incorporate recent clause deviation updates resulting from FAR overhaul efforts, such that all deviated clauses either a) include a deviation number, b) include a date, or c) are incorporated by full text. The following solicitation artifacts are new: 1) SF33 N0002426R5504_0004 2) SF30 N0002426R5504_0004_4_2_2026 3) Required_Fill_Ins_N0002426R5504_A0004 The Government has re-posted the most recent versions of the remaining solicitation artifacts in PIEE update 0009 for the Offerors’ convenience. Offerors?shall?acknowledge receipt of any amendment to this?solicitation as part of proposal submission. Compliant Offerors shall acknowledge all solicitation amendments by either completing and signing the N00024-26-R-5504 Amendment 4 SF33 Cover Page and listing each amendment and amendment date in Block 14, OR, completing and signing the solicitation N00024-26-R-5504 SF33 Cover Page as well signing and submitting each Amendment’s SF30 Cover Page. 30 March 2026 The Government is posting the following update to provide clarity following the issuance of N00024-26-R-5504 Amendment 2 and Amendment 3 on March 26th and March 27th 2026, respectively. **Acknowledging Receipt of Solicitation Amendments:** Offerors?shall?acknowledge receipt of any amendment to this?solicitation as part of proposal submission. Compliant Offerors shall acknowledge all solicitation amendments by either completing and signing the N00024-26-R-5504 Amendment 3 SF33 Cover Page and listing each amendment and amendment date in Block 14, OR, completing and signing the solicitation N00024-26-R-5504 SF33 Cover Page as well signing and submitting each Amendment’s SF30 Cover Page. **Location of Required Proposal Files:** The Government has re-posted the most recent versions of each solicitation document in PIEE update 0008 for the Offerors’ convenience. None of the documents provided are new documents not available in one of the prior updates. **Additional Clarification:** Regarding the requirement under L.5.8 to submit a document containing the fill-ins to be done by the Offeror, these fill-ins shall be submitted as a separate document from the SF33/30 Cover Page, in accordance with L.5.4. This document can either be excerpt pages (PDF) from the complete SF33 where Offeror fill-ins are noted where the Offeror has provided the fill-in information, or this could be a word document in the Offeror's format which outlines all of the required clauses and provides the fill-in information. 27 March 2026 This update extends the proposal due date to 9 April 2026 as the previous amendment had only extended the date to 8 April 2026. 26 March 2026 This update extends the proposal due date to 9 April 2026, incorporates updated clauses due to the FAR overhaul, updates the Statement of work, and modifies the contract format with administrative changes due to the transition to new contract software. 05 March 2026 The Government has posted updated responses to Bidder’s Questions received. Please see the updated file in the Attachments section of the PIEE Solicitation Module. 26 February 2026 The Government has posted the Solicitation Amendment N00024-26-R-5504 A0001. Among other changes, this amendment extends to the proposal due date to 31 March 2026. Correspondingly, the following files have been uploaded in the PIEE Solicitation Module Attachments Section: N00024-26-R-5504 A0001.pdf N00024-26-R-5504 conformed through A0001.pdf N00024-26-R-5504 Amendment 1 Redlines.docx The Microsoft Word Document file N00024-26-R-5504 Amendment 1 Redlines.docx has been attached as a courtesy, to assist in the reviewing of changes from the original solicitation. Also, due to NAVSEA transitioning contract writing systems, a second amendment is anticipated in the near future. While the Government reserves the right to make any changes in a future amendment, we anticipate this second amendment will include primarily formatting and administrative changes, as well as incorporating changes to FAR/DFARs clauses as a result of recent Revolutionary FAR Overhaul (RFO) efforts. For the purposes of final proposal submittal, Offerors will be required to sign and submit: The original RFP_N0002426R5504.pdf file, signing on the SF33 signature page The Amendment 1 N00024-26-R-5504 A0001.pdf file, signing on the SF30 signature page Any future amendments 25 February 2026 The Government has posted the second batch of responses to Bidder’s Questions received. Please see the new file in the Attachments Section of the PIEE Solicitation Module. Multiple responses refer to an upcoming solicitation amendment. The Government anticipates formally issuing that amendment by 27 February 2026. Of note, that amendment will include an extension of the proposal due date to 05:00 PM EDT 31 March 2026. Per responses to Questions No. 3, 4, 14,15, and 22, an updated CDRL A001 - Program Management Plan and DD254 have been uploaded to the Attachments Section of the PIEE Solicitation Module. **11 February 2026 Bidder’s Questions Responses:** The Government has posted the first batch of responses to Bidder’s Questions received. Please see the file in the Attachments Section of the PIEE Solicitation Module Posting. Per L-215-H007, the deadline for submitting Bidder’s Questions that the Government commits to answering is fifteen (15) calendar days after the posting of the solicitation (30 January 2026). The Government recognizes that this deadline falls on a holiday weekend; therefore, the Government will commit to responding to any questions received by 4:00 PM EST Tuesday, 17 February 2026. The Government will continue to accept questions after the deadline but cannot guarantee providing additional responses. **Related Pre-Solicitation SAM.gov Notice:** The related pre-solicitation SAM.gov Notice N00024-25-R-5504 Active Date has been extended to 17 March 2026. For recently interested parties, this notice provides context into the action’s history and artifacts previously made available. **UNCLASS GFI Update:** For those parties with UNCLASS GFI access, please note that the below Security Classification Guide (SCG) file has been added to the AN/SLQ-32(V)6 Bidders Library, located on NSERC. **File Name:** SCG ID 10-040 US Navy Afloat Control Systems Cyber SCG 30 January 2026 In support of the Surface Electronic Warfare Improvement Program (SEWIP) program, NAVSEA is conducting a full and open competitive acquisition, under an Indefinite-Delivery-Indefinite-Quantity (IDIQ) Multiple-Award Contract (MAC), for the procurement of SEWIP AN/SLQ-32(V) Full Rate Production, Design Agent Engineering, and Integration requirements. ## Publications - January 30, 2026: Solicitation, due March 16, 2026. Notice 63f155fde911464e9b838cdb1b5812f5. https://sam.gov/workspace/contract/opp/63f155fde911464e9b838cdb1b5812f5/view - February 2, 2026: Solicitation, due March 17, 2026 at 5:00 PM EDT. Notice 264f5466110e483f99c3aa25e8a757ba. https://sam.gov/workspace/contract/opp/264f5466110e483f99c3aa25e8a757ba/view - February 11, 2026: Solicitation, due March 17, 2026 at 5:00 PM EDT. Notice 8b4c5a87573946848bb1e0eefdd10e59. https://sam.gov/workspace/contract/opp/8b4c5a87573946848bb1e0eefdd10e59/view - February 11, 2026: Solicitation, due March 17, 2026 at 5:00 PM EDT. Notice a22380a8345942a29b84261761c5268c. https://sam.gov/workspace/contract/opp/a22380a8345942a29b84261761c5268c/view - February 25, 2026: Solicitation, due March 31, 2026 at 5:00 PM EDT. Notice 75da3a47d49c4c6891aca3840010c8e4. https://sam.gov/workspace/contract/opp/75da3a47d49c4c6891aca3840010c8e4/view - February 25, 2026: Solicitation, due March 31, 2026 at 5:00 PM EDT. Notice 8a9bb583ee3d42dabba3accca4e20cf1. https://sam.gov/workspace/contract/opp/8a9bb583ee3d42dabba3accca4e20cf1/view - February 26, 2026: Solicitation, due March 31, 2026 at 5:00 PM EDT. Notice 546d64cc395949f08cba09771098ae4d. https://sam.gov/workspace/contract/opp/546d64cc395949f08cba09771098ae4d/view - February 26, 2026: Solicitation, due March 31, 2026 at 5:00 PM EDT. Notice ee13d9dc3e964af8af2bb0aaa50b88a2. https://sam.gov/workspace/contract/opp/ee13d9dc3e964af8af2bb0aaa50b88a2/view - March 5, 2026: Solicitation, due March 31, 2026 at 5:00 PM EDT. Notice 0cf88f6a87c444b8a73646f1770cac2a. https://sam.gov/workspace/contract/opp/0cf88f6a87c444b8a73646f1770cac2a/view - March 5, 2026: Solicitation, due March 31, 2026 at 5:00 PM EDT. Notice f889a859de5c4a92ba31a221234457fa. https://sam.gov/workspace/contract/opp/f889a859de5c4a92ba31a221234457fa/view - March 26, 2026: Solicitation, due April 9, 2026 at 5:00 PM EDT. Notice 604c34d940494e7cb0a8d52e190fa6dd. https://sam.gov/workspace/contract/opp/604c34d940494e7cb0a8d52e190fa6dd/view - March 26, 2026: Solicitation, due April 9, 2026 at 5:00 PM EDT. Notice 69a8960c70014938ad743530a9d6323c. https://sam.gov/workspace/contract/opp/69a8960c70014938ad743530a9d6323c/view - March 27, 2026: Solicitation, due April 9, 2026 at 5:00 PM EDT. Notice 19a915c33d824af0b888f82ae0165448. https://sam.gov/workspace/contract/opp/19a915c33d824af0b888f82ae0165448/view - March 27, 2026: Solicitation, due April 9, 2026 at 5:00 PM EDT. Notice b632d04dc23d451a924740a57172029f. https://sam.gov/workspace/contract/opp/b632d04dc23d451a924740a57172029f/view - March 30, 2026: Solicitation, due April 9, 2026 at 5:00 PM EDT. Notice b04d962d3521486c97b3615560b44d37. https://sam.gov/workspace/contract/opp/b04d962d3521486c97b3615560b44d37/view - April 2, 2026: Solicitation, due April 9, 2026 at 5:00 PM EDT. Notice 0bc78df53f9a44b8ab86dc3786dab294. https://sam.gov/workspace/contract/opp/0bc78df53f9a44b8ab86dc3786dab294/view - April 2, 2026: Solicitation, due April 9, 2026 at 5:00 PM EDT. Notice 4d42f581c3e549278c10995068c61f0f. https://sam.gov/workspace/contract/opp/4d42f581c3e549278c10995068c61f0f/view ## Points of contact - Ryan Brophy, ryan.p.brophy.civ@us.navy.mil, 7038659100 - Peter Brown, peter.f.brown13.civ@us.navy.mil, (202) 826-7925 --- Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/n0002426r5504.