Ring, piston

The Defense Logistics Agency Land and Maritime is soliciting quotes for two each (EA) of piston rings, NSN 2815-00-278-1537, under request for quotation SPE7L027Q0052, with quotes due November 18, 2026. DLA office SPE7L0 issues the request through DIBBS. The solicitation uses no set-aside and cites no sole-source intent.

Pricing is firm fixed with a plus or minus 0% quantity variance. Delivery is due 60 days after order, FOB Origin with inspection and acceptance at destination, and the attachment summary places delivery at Cavalier SFS, North Dakota. Quotes must be submitted through DIBBS, remain valid for 90 days unless otherwise specified, and payment runs through Wide Area Workflow (WAWF). Quoters may submit economic purchase quantity recommendations if a different quantity would benefit the Government.

The attachment summary identifies two approved suppliers: Cooper Machinery Services LLC (P/N 2-23R654-001) and Kaydon Ring & Seal Inc (P/N A1353-60). The item is classified under PSC 2815, Diesel Engines and Components, and the summary states the rings are used on Cooper Bessemer diesel engines.

Technical and quality requirements follow the DLA Master List of Technical and Quality Requirements. Packaging must comply with ASTM D3951 and MIL-STD-129, with palletization per DLA packaging requirement RP001. Shipment must use the fastest traceable means, and parcel post is prohibited. The contractor must retain supply chain traceability documentation. Required representations and certifications cover covered defense telecommunications equipment, export-controlled items, foreign ownership, tax compliance, and security prohibitions. The solicitation states no evaluation criteria.