# Sources Sought: Nuclear Stores Interface Units (NSIU)

Notice 4d6297774e654388adf56190837a7f9e (solicitation Sources_Sought_NSIU_AFNWC) from DEPT OF DEFENSE, FA2103  AFNWC NDB NDKE, posted 2026-01-13, responses due 2026-03-20T17:00:00.000Z. Status: open.

| Field | Value |
| --- | --- |
| Notice ID | 4d6297774e654388adf56190837a7f9e |
| Solicitation number | Sources_Sought_NSIU_AFNWC |
| Type | Sources Sought |
| Agency | DEPT OF DEFENSE |
| Sub-tier | DEPT OF THE AIR FORCE |
| Office | FA2103  AFNWC NDB NDKE |
| Posted | 2026-01-13T13:12:24.000Z |
| Response deadline (UTC) | 2026-03-20T17:00:00.000Z |
| Set-aside | - |
| NAICS | - |
| PSC | - |
| Place of performance | Eglin AFB, FL, USA |
| Award | - |

## 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.

## Sources

- View on SAM.gov: https://sam.gov/opp/4d6297774e654388adf56190837a7f9e/view
- Data as of 2026-11-13. Source: https://sam.gov/data-services/Contract%20Opportunities/datagov

## Cite this

"Sources Sought: Nuclear Stores Interface Units (NSIU), SAM.gov contract opportunity 4d6297774e654388adf56190837a7f9e." samgovapi.io, https://samgovapi.io/opportunity/4d6297774e654388adf56190837a7f9e, data as of 2026-11-13. Primary record: https://sam.gov/opp/4d6297774e654388adf56190837a7f9e/view

## API and MCP

- REST: GET https://samgovapi.io/api/v1/opportunities/4d6297774e654388adf56190837a7f9e
- MCP tool: get_opportunity

Independent. Not affiliated with, endorsed by or sponsored by GSA, SAM.gov or any U.S. government agency. Registering in SAM.gov is free at sam.gov.

Get a free API key: https://samgovapi.io/sign-up?ref=ai-claudebot