The Department of Defense, through the Defense Logistics Agency (DLA Land and Maritime), is seeking quotes for the procurement of a Vent-Check Valve, specifically NSN 4820014463661, under a total small business set-aside. The requirement includes a quantity of 5 units to be delivered to DLA Distribution within 168 days after order, with approved sources specified for the valve. This procurement is critical for maintaining operational readiness and functionality in various defense applications. Interested vendors must submit their quotes electronically, as hard copies will not be available, and any inquiries should be directed to the buyer via the provided email address, DibbsBSM@dla.mil.