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 Mechanicsburg, has issued a Solicitation for STEM items (Product Service Code 4820 - Valves, Nonpowered). This requirement is for "Stem item 14" to be manufactured in accordance with Naval Sea Systems Command Drawing 7285216, with specific material and quality controls. This is a Total Small Business Set-Aside. Quotes are due by April 15, 2026.
Scope of Work
This solicitation is for the procurement of "Stem item 14," designated as SPECIAL EMPHASIS material (Level I, Scope of Certification, or Quality Assured) due to its critical use in shipboard systems. The material must be QQ-N-286, Alloy UNS N05500, form 2, annealed and age hardened, with no weld repair allowed. The effort requires strict adherence to detailed technical specifications, quality assurance, and traceability requirements to prevent failure, injury, or loss of vital shipboard systems.
Key Requirements
- Material & Manufacturing: Stem item 14 must conform to Naval Sea Systems Command Drawing 7285216 and specified material QQ-N-286.
- Quality System: Contractors must maintain a quality system compliant with ISO-9001 (amplified/modified), ISO-10012 or ANSI-Z540.3 with ISO-17025, or MIL-I-45208.
- Testing & Certification: Extensive testing (chemical, mechanical, ultrasonic) and certifications are required, including specific laboratories for Slow Strain Rate Tensile Tests. Material certification data must be submitted via WAWF to Portsmouth Naval Shipyard for review and acceptance prior to shipment.
- Traceability: Strict traceability from material to certification test reports is mandatory, with specific marking requirements per MIL-STD-792.
- Inspections: Thread inspection per FED-STD-H28 series and O-ring groove inspection per contractually invoked drawings or General Acceptance Criteria (GAC).
- Configuration Control: Procedures for Waivers/Deviations and Engineering Change Proposals (ECPs) are detailed.
- Mercury Free: All hardware and supplies must be free of intentionally added mercury.
- Packaging: MIL-STD 2073 packaging requirements apply.
Contract & Timeline
- Opportunity Type: Solicitation
- Set-Aside: Total Small Business
- Product Service Code: 4820 (Valves, Nonpowered)
- Response Due Date: April 15, 2026, 8:30 PM EDT
- Published Date: March 17, 2026
- Issuing Office: NAVSUP Weapon Systems Support Mechanicsburg
Evaluation & Submission
NAVSUP WSS Mechanicsburg will consider past performance in the evaluation of offers (IAW FAR 13.106(a)(2)). Quotes must be submitted in accordance with the most recent drawings. Certification data must be submitted via Wide Area Work Flow (WAWF) to Portsmouth Naval Shipyard (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.
Additional Notes
This requirement is pursuant to Emergency Acquisition Flexibilities (EAF). The resultant award will be issued bilaterally and will be DO certified for national defense under the Defense Priorities and Allocations System (DPAS). Drawings and the most current Technical Data Package (TDP) have been posted; access can be requested through SAM.gov, followed by an email to the Point of Contact.