This procurement is for a source-controlled check valve (NSN 4820012699542), quantity 90, with an approved source of 09990 5-1385-1. Delivery is required to DLA Distribution Puget Sound within 178 days after order. The item must meet the requirements of the drawing cited in the solicitation, and digitized drawings/specifications are available electronically. This is an RFQ; hard copies are not available. All responsible sources may submit quotes electronically, and timely quotes will be considered.