The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is soliciting quotes for the procurement of altimeter sets, specifically NSN 7RH 1680 016010190 and NSN 7RH 5841 017200056, with a total quantity of four units. These items are critical components for aircraft operations, requiring government source approval prior to award, and must be procured from suppliers providing FAA-certified parts with the necessary airworthiness documentation. Interested vendors must submit their quotes via email to Anthony Boselli by the specified due date, ensuring compliance with the source approval requirements outlined in the NAVSUP WSS Source Approval Brochure available online.