The Defense Logistics Agency, specifically DLA Aviation at Philadelphia, PA, is seeking quotes for the procurement of a Cylinder Assembly (NSN 1650004894673). The requirement includes a quantity of four units to be delivered to DLA Distribution Warner Robins within 169 days after order. This item is critical for aerospace applications and is subject to source control, with an approved source identified as 98391 1211049-003. Interested vendors must submit their quotes electronically, as hard copies of the solicitation are not available, and any inquiries should be directed to the buyer via the provided email address, DibbsBSM@dla.mil.