COUPLING,VALVE STEM
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 / NAVSUP WEAPON SYSTEMS SUPPORT MECH has issued a solicitation for COUPLING,VALVE STEM components. This opportunity is designated as a Total Small Business Set-Aside and involves the procurement of Special Emphasis Material critical for shipboard systems. Proposals are due by May 4, 2026.
Scope of Work
This solicitation seeks a Coupling Set comprising specific pieces (8, 9, 93, and 181) to be manufactured in accordance with Naval Sea Systems Command Drawings 803-4384539 and 803-4384678, and DRN 4384678C01, with additional modifications. These components are classified as Special Emphasis Material due to their crucial role in shipboard systems, where failure could lead to severe consequences including personnel injury or loss of the ship.
Key Requirements
- Material Specifications: Detailed requirements for Male Half Coupling, Female Half Coupling, Self-Locking Nut, and Socket Head Cap Screw, adhering to specific ASTM, QQ-N, and MIL-DTL standards, including mechanical properties (Tensile Strength, Yield Strength, Elongation).
- Testing & Certification: Extensive testing is mandated, including Non-Destructive Tests (Weld Repair, Liquid Penetrant, Dye Penetrant), Quality Conformance Tests, and Ultrasonic Inspection. Certifications are required for specific items and tests. Slow Strain Rate Tensile Tests must be performed by approved laboratories.
- Manufacturing Processes: Strict guidelines for K-MONEL Fasteners (heat treatment, wedge tensile tests), thread inspection (FED-STD-H28 series), and internal thread formation (cutting only). Molybdenum disulfide thread lubricants are prohibited; A-A-59004 anti-galling compound is required.
- Quality Assurance: Contractors must maintain a quality system compliant with ISO-9001 (or MIL-I-45208 as an alternate) and calibration systems per ISO-10012 or ANSI-Z540.3 with ISO-17025. Government Quality Assurance at source is required.
- Traceability & Configuration Control: Critical for Level I/SUBSAFE systems, requiring unique traceability markings on materials and comprehensive certification data. Configuration control, including waivers, deviations, and Engineering Change Proposals (ECPs), is subject to Government review and approval.
- Welding & Brazing: Must adhere to specific S9074 and 0900-LP standards, with repair welding prohibited on QQ-N-286 material. Procedures and qualification data require prior approval.
- Mercury Free: All hardware and supplies must be free of mercury and mercury-containing compounds.
Contract & Timeline
- Type: Solicitation
- Set-Aside: Total Small Business
- Product Service Code: 4730 - Hose, Pipe, Tube, Lubrication, And Railing Fittings
- Response Due: May 4, 2026, 8:30 PM EDT
- Published Date: February 23, 2026, 6:45 PM EST
Submission & Contact
Certification data must be submitted to Portsmouth Naval Shipyard via Wide Area Work Flow (WAWF) prior to each shipment. WAWF details: "Ship to" N50286, "Inspect by" N39040, "Accept by" N39040, with email notification to PORT_PTNH_WAWF_NOTIFICATION@NAVY.MIL. For inquiries, contact SCOTT.R.YOUNGBLOOD2.CIV@US.NAVY.MIL or call 717-605-2379.