This sources sought notice is for market research on a B-1 spares procurement requirement for NSN 1650-01-160-5527, part number 721602A, with an estimated quantity of 23 units, and the government may consider breaking the requirement out by airframe. Interested parties must register via the “Add Me to Interested Vendors” button; there is no solicitation available at this time, and the government will use responses to determine the acquisition strategy, potentially as a small business set-aside. Performance will be at Tinker AFB, Oklahoma (73145), and potential sources must be capable of new manufacture including component procurement, inspection, testing, packaging, and shipping, as well as possible nonrecurring engineering costs.