The Department of Defense, specifically the Department of the Air Force, is soliciting proposals for the procurement of tubes and fittings, identified by NSN 4710-01-478-3721NZ and part number 4084987. The requirement includes 62 units of a #4 Bearing Air Supply Manifold, which is critical for removing debris from the 7th stage bleed before it enters the bearing compartment buffer chamber, with specifications including dimensions of 14.1 inches in length, 2.65 inches in width, and 2.25 inches in height, made from stainless steel. Proposals must be submitted electronically by July 14, 2025, with delivery required by June 28, 2027, and interested parties should contact Savannah Mincey or William Heckenkemper for further information regarding the solicitation process.