BACK-UP RING, PREFOR

This solicitation is for the procurement of four preformed packing back-up rings, identified by NSN 5330-01-660-0632. The contract is issued by the Department of Defense through the Defense Logistics Agency for delivery to Bremerton within a 20-day advanced delivery obligation period. The acquisition is subject to full and open competition and must adhere to specific technical and quality requirements maintained in the DLA master list. Strict environmental and safety compliance is required, specifically prohibiting the use of Class I ozone-depleting chemicals and asbestos in any delivered items. Any substitute chemicals or alternative materials must receive formal approval. Quality assurance is governed by specific sampling methods, such as MIL-STD-1916 or ASQ H1331, with defined verification levels for critical, major, and minor attributes. Additionally, the contract incorporates requirements for configuration change management and tailored higher-level quality standards for manufacturers.