STEM,FLUID VALVE

Quick Summary

The Department of the Navy, specifically NAVSUP Weapon Systems Support Mechanicsburg, is soliciting proposals for a STEM, FLUID VALVE (NSN 4820-01-545-4555, PSC 4820). This is a Total Small Business Set-Aside opportunity for a critical shipboard system component. Proposals are due by June 30, 2026.

Scope of Work

This solicitation is for the procurement of a STEM, FLUID VALVE designated as "SPECIAL EMPHASIS" material (Level I) due to its crucial role in shipboard systems, where failure could lead to serious injury, loss of life, or damage to vital systems. Key requirements include:

• Manufacturing in accordance with NAVSEA drawing 6405738, including a self-locking element.
• Material for the stem must be QQ-N-281, Class A, Form 1, Condition Hot Finished.
• Mandatory testing certifications for non-destructive tests on weld repair/production welds.
• Thread inspection per FED-STD-H28 series (System 21 minimum).
• Inspection of O-ring grooves and mating sealing surfaces per contractual drawings or the General Acceptance Criteria (GAC) standard.
• Welding and brazing must adhere to S9074-AR-GIB-010A/278 or 0900-LP-001-7000, with required procedure and qualification data submission for approval.
• Configuration control and submission of Engineering Change Proposals (ECPs) for Class I or II changes.
• Material must be mercury-free.
• A Certificate of Compliance is required for all items, certifying adherence to procurement documents.
• Quality System Requirements must be in accordance with ISO-9001 (with ISO-10012 or ANSI-Z540.3/ISO-17025 calibration) or MIL-I-45208 (with MIL-STD-45662 calibration).
• Strict traceability and certification requirements for Level I/SUBSAFE materials, including unique traceability markings, chemical/mechanical analysis, and electronic signature protocols.
• Detailed material handling, receiving inspection, discrepancy reporting, and final inspection procedures are outlined, including sampling plans and 100% inspection for traceability and certifications.
• Packaging must comply with MIL-STD 2073.

Contract & Timeline

• Type: Solicitation (Request for Quotations)
• Set-Aside: Total Small Business Set-Aside (FAR 19.5)
• Delivery: On or before 365 days after the effective date of the contract. Certification Data CDRLs are due 20 days prior to scheduled delivery.
• Rating: "DO" rated order under the Defense Priorities and Allocations System (DPAS).
• Response Due: June 30, 2026 (extended by amendment).
• Published: May 21, 2026.

Evaluation

Award will be based on price and past performance, with past performance being more important than price.

Additional Notes

• Portsmouth NSY's DODAAC has changed from N00102 to N50286.
• Certification data must be submitted to Portsmouth Naval Shipyard via WAWF (Wide Area Work Flow) with specific "Ship to," "Inspect by," and "Accept by" DODAACs (N50286, N39040, N39040 respectively) and email notification to PORT_PTNH_WAWF_Notification@navy.mil. No material is to be shipped prior to acceptance.
• Access to drawings, if included, must be requested on the individual SAM.gov solicitation page.
• DD1423 Data Item A001 (Inspection and Test Plan) may be waived if already on file at NAVSUP WSS Mechanicsburg.