Sources Sought: Nuclear Stores Interface Units (NSIU) Sources_Sought_NSIU_AFNWC
Summary
AI-generated · Jan 14, 2026Industry input is requested to help establish a production contract to manufacture the Nuclear Stores Interface Unit (NSIU) for integration with LRSO on the B-52, specifically to be installed in the SUU-103 pylons and the Nuclear Rotary Launcher. The NSIU is a line-replaceable unit that provides the electronic interface between the aircraft and the LRSO store, updating connections to MIL-STD-1760 and enhancing nuclear hardness.
Manufacture will be a build-to-print effort based on the provided specifications and quality standards, with no hardware installation required. Vendors should submit information electronically to the designated contracting points of contact, and inquiries should be sent by email to the specified POCs by the stated deadline; responses are due by the stated final deadline.
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.
From Sources Sought posted on Jan 13, 2026AFNWC/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.
From Sources Sought posted on Feb 25, 2026AFNWC/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.
From Sources Sought posted on Mar 09, 2026AFNWC/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.
From Sources Sought posted on Mar 09, 2026Notice history
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Sources Sought Posted Jan 13, 2026
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Sources Sought Posted Feb 25, 2026No changes from previous notice
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Sources Sought Posted Mar 09, 2026No changes from previous notice
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Sources Sought LATEST Posted Mar 09, 2026View changes (1)
- Response Deadline: Mar 20, 2026 → Mar 31, 2026
Details
Award Information
Not yet awarded
Contacts
Agency
Place of Performance
USA