Description: NAVSUP WSS Mechanicsburg is soliciting quotes for a stem for a 4-inch ball valve, manufactured to Naval Sea Systems Command Drawing 6404978, Find No. 27. The stem must use QQ-N-286 material and meet specified chemical and mechanical certification, heat-treatment, and inspection requirements; weld repair of QQ-N-286 material is prohibited. This active Navy supply solicitation is subject to Emergency Acquisition Flexibilities and requires Level I/SUBSAFE quality controls, traceability, testing, and certification.
Federal · DC, US
Adjacent opportunities open for bidding right now.
FederalDC
Posted
Sep 24, 2026
Oct 26, 2026
The U.S. Navy is soliciting offers for a complete stem assembly for a size 1 ¼-inch ball valve, including its stem, nut, and bushing, for use in a critical shipboard system. The assembly must meet specified drawing, material, traceability, testing, certification, and quality-system requirements. Offers are due October 26, 2026, at 4:30 p.m. EDT.
FederalDC
Posted
Oct 19, 2026
Nov 16, 2026
The solicitation seeks a stem for a 2-inch ball valve built to Newport News Shipbuilding Drawings 257388 and 257389, Piece 5, using ASTM-B150 Alloy C63200, Temper TQ50. The material is designated as special emphasis for use in a crucial shipboard system, with chemical and mechanical analysis, testing certifications, and compliance documentation required. The solicitation also requires quality assurance and material traceability controls.
FederalVA
Posted
Oct 22, 2026
Nov 2, 2026
DLA Weapons Support, within DLA Maritime and the Department of Defense, is soliciting electronic quotations for 16 STEM,FLUID VALVE units (NSN 4820013121939) for delivery to DLA Distribution within 168 days after order. The solicitation identifies approved source 0AZ22, part number 502-AD-20-3001-A01E, and states that specifications, plans, and drawings are not available. It is a combined synopsis/solicitation for an RFQ, with quotes due November 2, 2026; all responsible sources may submit a timely quote.
Posted
Jul 21, 2026
Nov 6, 2026
9 Ea Stem, fluid valve, National Stock Number 4820013374290.
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