NUT, UNION
Overview
Buyer
Place of Performance
NAICS
PSC
Set Aside
Original Source
Timeline
Qualification Details
Fit reasons
- NAICS alignment with historical contract wins in similar service areas.
- Scope strongly matches core technical capabilities and delivery model.
Risks
- Past performance thresholds may require one additional teaming partner.
- Potential clarification needed on staffing minimums before bid/no-bid.
Next steps
Validate eligibility requirements, assign capture owner, and schedule partner outreach to confirm teaming strategy before submission planning.
Quick Summary
The Department of the Navy, specifically NAVSUP WEAPON SYSTEMS SUPPORT MECH, has issued a solicitation for the procurement of Union Nuts. This is a highly technical requirement for Special Emphasis Material used in crucial shipboard systems, where incorrect or defective material could lead to catastrophic failure. Proposals are due June 29, 2026.
Scope of Work
This opportunity requires the manufacture of 1/4 inch Union Nuts (Piece number 25) in accordance with Leslie drawing number 19881N. Required materials are ASTM-B505 C90300 or C92200, or ASTM-B584 C90300 or C92200. Key requirements include:
- Hydrostatic Testing for each Union Nut.
- No weld repair permitted on specified materials.
- Strict thread inspection per FED-STD-H28 series (minimum System 21); cold forming of internal threads is not acceptable.
- Mercury-free materials.
Quality Assurance & Traceability
Contractors must maintain a quality system compliant with ISO-9001 (amplified herein) and calibration systems per ISO-10012 or ANSI-Z540.3 with ISO-17025. This is a Government Quality Assurance at Source requirement. Critical aspects include:
- Traceability and Certification for Level I/SUBSAFE systems, requiring unique traceability numbers and material markings (MIL-STD-792).
- Quantitative chemical and mechanical analysis for material certification, with re-certification if material properties are altered.
- Detailed material handling, receiving inspection, and final inspection procedures, including 100% inspection for traceability and certification data.
- Submission of Certificate of Compliance (DI-MISC-80678) and certification data via Wide Area Work Flow (WAWF) to Portsmouth Naval Shipyard (Ship to N50286, Inspect by N39040, Accept by N39040).
Contract & Timeline
- Type: Solicitation
- Product Service Code: 4730 (Hose, Pipe, Tube, Lubrication, And Railing Fittings)
- Set-Aside: None specified
- Response Due: June 29, 2026, 8:30 PM EST
- Published: December 10, 2025
Additional Notes
This is a "DO" rated order certified for national defense use under the Defense Priorities and Allocations System (DPAS) and is issued pursuant to Emergency Acquisition Flexibilities (EAF). Access to drawings must be requested on the individual solicitation page on beta.SAM. The Electronic Contractor Data Submission (ECDS) system (https://register.nslc.navy.mil/) is available for data submissions, questions, and waiver requests.