The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is soliciting proposals for the procurement of Piston Assemblies, identified by NSN 7RH 1620 000049840 and part number 2579035. The requirement includes an initial quantity of two units, with the possibility of increased demand, and emphasizes that government source approval is necessary prior to award, necessitating submission of detailed information as outlined in the NAVSUP WSS Source Approval Brochure. These components are critical for aircraft landing gear systems, underscoring their importance in maintaining operational readiness. Interested vendors must submit their quotes via email to Brian Emde by the specified deadlines, with the solicitation currently extended until November 30, 2023, and further amendments noted for future dates.