STEM,FLUID VALVE
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 Mechanicsburg, has issued a Solicitation for a Stem Assembly for a 3-inch Ball Valve. This requirement is designated as SPECIAL EMPHASIS material due to its critical role in shipboard systems, where failure could lead to serious injury, loss of life, or loss of the ship. This is a Total Small Business Set-Aside. Proposals are due July 13, 2026.
Scope of Work
The solicitation requires the manufacture and delivery of a Stem Assembly for a size 3-inch Ball Valve, conforming to Naval Ship Systems Command Drawings 803-2178493, 2178493-C2, 803-4384678, and DRNs 4384678-C1, C2, and C6. Key material requirements include ASTM-B505, Alloy UNS C90300 for the Stem Retaining Nut and QQ-N-286 (Annealed and Age Hardened) for the Stem.
Key Requirements & Quality Assurance
This is a highly critical procurement with stringent quality and traceability requirements. Contractors must adhere to:
- Extensive Testing & Certification: Including Dye Penetrant Inspection, Ultrasonic Inspection, and Slow Strain Rate Tensile Tests performed by approved laboratories.
- Quality System: Maintain a quality system in accordance with ISO-9001 (amplified/modified) with ISO-10012 or ANSI-Z540.3 with ISO-17025. An alternate system per MIL-I-45208 with MIL-STD-45662 is acceptable.
- Traceability: Maintain full traceability from material to certification test reports, with specific marking requirements per MIL-STD-792.
- Government Quality Assurance: Government Source Inspection (GSI) will be performed by DCMA QARs at the source.
- Certification Submission: All certification data must be submitted to Portsmouth Naval Shipyard via WAWF prior to each shipment, with specific "Ship to," "Inspect by," and "Accept by" codes, and email notification. No material is to be shipped without acceptance.
- Packaging: Must comply with MIL-STD 2073.
Contract Details & Timeline
- Opportunity Type: Solicitation
- Set-Aside: Total Small Business
- Product Service Code: 4820 (Valves, Nonpowered)
- Response Due: July 13, 2026, 8:30 PM UTC
- Published Date: June 11, 2026
- Agency: Department of the Navy, NAVSUP Weapon Systems Support Mechanicsburg
- Evaluation: Past performance will be considered. This requirement is pursuant to Emergency Acquisition Flexibilities (EAF) and will result in a DO certified order under DPAS.
Additional Notes
Access to drawings must be requested on SAM.gov, followed by an email to the Point of Contact. Electronic signatures on Level I certification documents are considered equivalent to handwritten signatures, provided specific control and authentication procedures are followed.