The Department of Defense, through the Defense Logistics Agency (DLA Aviation), is seeking quotes for the procurement of 138 units of the NSN 6620011959950, specifically a transmitter for position measurement. This procurement is a source-controlled drawing item, meaning that the items must meet specific requirements outlined in the associated drawings, with an approved source identified as 96774 18-1937. The items are critical for various defense applications, ensuring accurate measurement and control in military operations. Interested vendors must submit their quotes electronically, as hard copies of the solicitation are not available, and all inquiries should be directed to the buyer via email at DibbsBSM@dla.mil. The delivery is expected to be completed within 180 days after the order is placed.