# FY26 SEWIP Block 3 Hemisphere and Quadrant EA Subsystem Production & Ancillary Equipment

Canonical: https://abierto.us/opportunities/n0002420c5519p00040

- Solicitation number: N00024-20-C-5519-P00040
- Notice type: Award notice
- Status: Awarded to Northrop Grumman Systems Corporation Linthicum Heights for $312,338,052.00
- 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
- Place of performance: Linthicum Heights, Maryland
- County: Anne Arundel County (FIPS 24003). https://abierto.us/counties/anne-arundel-county-md-24003
- First posted: June 30, 2026
- Last posted: June 30, 2026
- SAM.gov: https://sam.gov/workspace/contract/opp/5c9b8e8bfa694f93a7682a441b503039/view

## Description

Northrop Grumman Systems Corporation, Mission Systems Sector, Linthicum Heights, Maryland, was awarded a $312,338,052 firm-fixed price modification to previously-awarded contract N00024-20-C-5519 to exercise an option for the production of Surface Electronic Warfare Improvement Program (SEWIP) Block 3 Hemisphere and Quadrant systems. SEWIP is an evolutionary development and acquisition program tasked with continuously upgrading the AN/SLQ-32(V) Electronic Warfare (EW) system aboard U.S. Navy (USN) surface ships.

This contract modification is for the delivery of additional quantities of SEWIP Block 3 Hemisphere and Quadrant Configuration subsystems. Under 10 USC 3204 (a) (1), justification was provided for this sole source procurement. The redacted J&A was published upon execution of N00024-20-C-5519 P00037.

## Publications

- June 30, 2026: Award notice. Notice 5c9b8e8bfa694f93a7682a441b503039. https://sam.gov/workspace/contract/opp/5c9b8e8bfa694f93a7682a441b503039/view

## Points of contact

- Ryan Brophy, ryan.p.brophy.civ@us.navy.mil, 703-865-9100
- Matthew Brimmer, matthew.m.brimmer.civ@us.navy.mil, 202-427-7445

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Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/n0002420c5519p00040.