The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is soliciting proposals for the procurement of elbow assemblies, classified under the NAICS code 336413 for Other Aircraft Parts and Auxiliary Equipment Manufacturing. This procurement is a sole source requirement, indicating that the government does not possess sufficient data to contract with any source other than the current supplier, and requires Government Source Approval prior to award. Interested vendors must submit the necessary documentation as outlined in the NAVSUP WSS Source Approval Brochure, which is available online. For further inquiries, potential bidders can contact Megan N. McGinley at 215-697-6625 or via email at megan.n.mcginley.civ@us.navy.mil.