The Department of Defense, through the Department of the Navy's NAVSUP Weapon Systems Support, is soliciting proposals for the procurement of support assembly components under the title "15--SUPPORT ASSEMBLY,BE." This opportunity involves the supply of airframe structural components, classified under NAICS code 336413, and is subject to specific government source approval requirements prior to award. The items are critical for military operations, necessitating compliance with various quality and regulatory standards, including the Buy American Act and limitations on pass-through charges. Interested vendors must submit their proposals, including the required documentation as outlined in the NAVSUP WSS Source Approval Brochure, to Anna Kiessling at anna.m.kiessling.civ@us.navy.mil by the specified deadline to be considered for this limited source requirement.