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, is soliciting proposals for a Stem for a 4-inch combination hull and backup ball valve. This is a Total Small Business Set-Aside opportunity for a critical shipboard component designated as "SPECIAL EMPHASIS material." Offerors must demonstrate robust quality control and material traceability. Proposals are due by August 24, 2026.
Scope of Work
This solicitation is for the procurement of a Stem for a 4-inch combination hull and backup ball valve, manufactured from QQ-N-286, Form 2, Annealed and Age Hardened material. Welding is explicitly not permitted on this material. The item is classified as "SPECIAL EMPHASIS material" due to its critical role in shipboard systems, where failure could lead to serious personnel injury, loss of life, or loss of the ship.
Key Requirements
- Quality Assurance: Contractors must maintain a quality system compliant with ISO-9001, amplified by ISO-10012 or ANSI-Z540.3 with ISO-17025, or MIL-I-45208. Government Quality Assurance at source is required.
- Certifications & Testing: Quantitative chemical and mechanical analysis is mandatory for the Stem. Specific tests include Annealing, Age Hardening, and Ultrasonic Inspection on starting QQ-N-286 material. Slow Strain Rate Tensile Tests must be performed by one of the specified approved laboratories.
- Traceability: Strict traceability from material to certification test reports (Objective Quality Evidence - OQE) is required, using unique traceability numbers. Material markings must be permanent per MIL-STD-792.
- Electronic Signatures: Acceptable for Level I certification documents, provided specific control and authentication procedures are followed.
- Material Handling: Documented control procedures are required for raw materials, including segregation, re-marking, and verification of welding/brazing filler metals.
- Inspections: Receiving inspection must verify traceability, legibility, and compliance of certification reports. Final inspection includes material sampling per ANSI/ASQ-Z1.4 (or SPC) and 100% inspection for material verification, traceability, and NDT certifications.
- Waivers/Deviations & ECPs: All waivers, deviations, and Engineering Change Proposals (ECPs) require Contracting Officer review and approval.
- Mercury Free: All furnished hardware and supplies must be mercury-free.
Contract & Timeline
- Type: Solicitation
- Set-Aside: Total Small Business
- Proposal Due: August 24, 2026, 8:30 PM EDT
- Published: February 5, 2026
- Delivery: Certification Data CDRLs 20 days prior to scheduled delivery; Portsmouth NSY review 30 working days; Final material delivery 365 days after contract effective date.
- Warranty: One year from date of delivery.
- Priority Rating: DX rated order under DPAS for national defense use.
Evaluation & Submission
- Evaluation: Past performance will be considered in accordance with FAR 13.106(a)(2) and DFARS 252.213-7000.
- Submission: Certification data must be submitted via Wide Area Work Flow (WAWF) to "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.
- Drawings: Access to drawings must be requested on SAM.gov, followed by an email to the Primary POC.
Additional Notes
The DODAAC for Portsmouth NSY has changed from N00102 to N50286. All contractual documents are considered "issued" upon deposit in mail, fax, or electronic transmission.