# Sources Sought: Nuclear Stores Interface Units (NSIU)

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

- Solicitation number: Sources_Sought_NSIU_AFNWC
- Notice type: Sources sought
- Status: Closed. Deadline was March 31, 2026 at 1:00 PM EDT
- Department: Department of the Air Force
- Agency: Department of the Air Force
- Contracting office: FA2103 Afnwc NDB Ndke (FA2103)
- Place of performance: Eglin AFB, Florida
- First posted: August 12, 2026
- Last posted: August 13, 2026
- SAM.gov: https://sam.gov/workspace/contract/opp/0787d63b8af449e4833572c85fe436d0/view

## Description

AFNWC/NDB is seeking information from Industry to assist with the establishment of a production contract in support of LRSO integration on the B-52 weapon system. The equipment to be produced in this build-to-print effort is the Nuclear Stores Interface Unit (NSIU) and will be integrated into the Suspension Underwing Unit-103 (SUU-103) pylons and Nuclear Rotary Launcher (NRL).

**Overview/Background:** The NSIU is a Line Replaceable Unit (LRU) providing an electronic interface to allow communication between the aircraft platform and LRSO store. The NSIU is designed to update connections to meet current MIL-STD-1760 requirements and enhance nuclear hardness. AFNWC/NDB is looking for vendors with the capability to produce the NSIU to the provided specifications and quality standards as a build-to-print manufacturing effort, which will not require hardware installation. Responses must be submitted electronically to the following POCs:

Contracting Officer (CO):Caroline Segovia E-Mail: caroline.segovia@us.af.mil Contracts Specialist (CS):

**Catherine Sadler E-Mail:** catherine.sadler@us.af.mil QUESTIONS Questions regarding this Notice shall be submitted by e-mail the above POCs NLT 12 February 2026 at 1200 Central Time. Questions by any other medium will NOT be accepted. RESPONSES ARE DUE NO LATER THAN 12:00 (Central Time) on 20 March 2026.

## Publications

- August 12, 2026: Sources sought, due March 31, 2026 at 1:00 PM EDT. Notice ee951790dd904c09925c48238e2b5304. https://sam.gov/workspace/contract/opp/ee951790dd904c09925c48238e2b5304/view
- August 13, 2026: Sources sought, due March 31, 2026 at 1:00 PM EDT. Notice 0787d63b8af449e4833572c85fe436d0. https://sam.gov/workspace/contract/opp/0787d63b8af449e4833572c85fe436d0/view

## Points of contact

- Caroline Segovia, caroline.segovia@us.af.mil
- Catherine Sadler, catherine.sadler@us.af.mil

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