Poppet and Seat Assembly

The Department of the Navy Naval Supply Systems Command is soliciting quotations for poppet and seat assemblies (National Stock Number 3HD 4820-01-381-0275) through a Request for Quotations issued on April 1, 2026, with quotes due by May 1, 2026. Quoters must provide items conforming to VACCO drawing V3E10048 and must demonstrate compliance with rigorous technical specifications including quantitative chemical and mechanical analysis, non-destructive testing certifications for production welds, and adherence to MIL-STD-2073 packaging standards. The contract carries a Defense Priorities and Allocations System "DO" rating for national defense use and requires Level One criticality designation, mandating government source inspection and an acceptable Quality Assurance Manual meeting either ISO 9001 or MIL-I-45208 standards. Quoters must submit a Certificate of Compliance with all contractually invoked conformance and compliance tests, along with material certifications traceable to markings on finished items. The evaluation will prioritize past performance as more important than price, with the government reserving the right to award to other than the lowest priced offer.

This is a non-small business procurement with no set-aside designation. The solicitation requires a quantity of 15 poppet and seat assemblies with a 365-day delivery requirement, scheduled for shipment to Portsmouth Naval Shipyard in Kittery, Maine (activity N50286). Contractors must submit certification data via WAWF 20 days prior to delivery and comply with cybersecurity safeguards for covered defense information per NIST SP 800-171. The contract will be issued bilaterally, requiring the contractor's written acceptance prior to execution. Inspection and acceptance will occur at the origin, and payment will be made by electronic funds transfer. No incumbent contractor or award value range is specified in the solicitation materials.