The Department of Defense, through the NAVSUP Weapon Systems Support, is soliciting a sole source contract for specific helicopter components, including cylinder and spindle assemblies, essential for military aircraft operations. The procurement includes three units of the Cylinder Assembly (NSN: 6615011585986) and five units of the Spindle Assembly (NSNs: 1615012382446 and 01615012382442), highlighting the critical nature of these parts in maintaining operational readiness. Interested vendors must be approved sources and are required to submit necessary documentation as outlined in the NAVSUP WSS Source Approval Brochure, which can be accessed online. For inquiries, potential bidders should contact Liam Cunningham at liam.f.cunningham2.civ@us.navy.mil.