UNION NUT

Quick Summary

The Department of the Navy / NAVSUP WEAPON SYSTEMS SUPPORT MECH is soliciting for a UNION NUT, designated as SPECIAL EMPHASIS material (Level I, Scope of Certification, or Quality Assured) for crucial shipboard systems. This opportunity requires adherence to stringent quality, testing, and traceability standards. The solicitation is issued as a "DO" rated order under the Defense Priorities and Allocations System (DPAS) and pursuant to Emergency Acquisition Flexibilities (EAF). Responses are due by March 5, 2026.

Scope of Work

This requirement is for a union nut manufactured in accordance with Carleton Technology drawing 1970 002, Item No. 05, with material specified as ASTM-B150, alloy C63200. Key requirements include:

• Oxygen Cleaning: Must be performed per MIL-STD-1330.
• Material Certification: Quantitative chemical and mechanical analysis is required, with certifications for Non-Destructive Tests (NDT) on weld repairs and production welds.
• Thread Inspection: All threads must be inspected using FED-STD-H28 series, with System 21 as a minimum. Internal threads must be cut, not cold-formed.
• Welding/Brazing: Procedures and qualification data must be submitted for review and approval prior to performing any welding or brazing, adhering to specified Navy standards (e.g., S9074-AR-GIB-010A/278).
• Configuration Control: The contractor must maintain the total equipment baseline configuration. Waivers/Deviations and Engineering Change Proposals (ECPs) require Government review and approval.
• Mercury Free: Hardware and supplies must be mercury-free.

Contract & Timeline

• Type: Solicitation
• Product Service Code: 4730 (Hose, Pipe, Tube, Lubrication, And Railing Fittings)
• Set-Aside: None specified.
• Response Due: March 5, 2026, 8:30 PM UTC.
• Published: February 18, 2026.
• Delivery Schedule: Certification Data CDRLs due 20 days prior to scheduled delivery; Portsmouth Naval Shipyard (PNSY) review within 6 working days; final material delivery within 365 days after contract effective date.

Quality & Compliance

This is a Level I/SUBSAFE item, demanding rigorous quality assurance. Contractors must provide and maintain a quality system in accordance with ISO-9001, amplified by ISO-10012 or ANSI-Z540.3 with ISO-17025. Key aspects include:

• Government Quality Assurance: Performance of Government Quality Assurance at source is required.
• Traceability: Maintained from material to certification test reports (Objective Quality Evidence - OQE) using unique traceability numbers, marked per MIL-STD-792.
• Material Certification: Quantitative chemical and mechanical analysis reports are required, with specific content and electronic signature requirements.
• Inspections: Comprehensive contractor inspection, receiving inspection, and final inspection processes are mandated, including 100% inspection for traceability and certifications.
• Discrepancy Reporting: Procedures for nonconforming products and reporting to sub-tier suppliers.

Submission Requirements

• Certification Data: Must be submitted to Portsmouth Naval Shipyard (PNSY) via WAWF (Wide Area Work Flow) for review and acceptance prior to each shipment. WAWF entries: "Ship to" N50286, "Inspect by" N39040, "Accept by" N39040, with email notification to PORT_PTNH_WAWF_NOTIFICATION@NAVY.MIL. No material is to be shipped prior to acceptance.
• Cleaning Procedures: Applicable cleaning procedures must be submitted for review and approval within 60 days after contract award.
• Welding Procedures: Qualification data must be approved prior to welding.

Additional Notes

• The Portsmouth NSY's DODAAC has changed from N00102 to N50286.
• This is a "DO" rated order certified for national defense use under DPAS and issued under Emergency Acquisition Flexibilities (EAF).
• The Electronic Contractor Data Submission (ECDS) system (https://register.nslc.navy.mil/) is available for certain data submissions and inquiries.