Qualification requirements are set forth in OC-ALC Source Approval Information Booklet. Due to the complexity and criticality of this part, only actual manufacturers that have successfully completed all testing required by the original company responsible for the design, can be considered approved sources for this item. For a copy of the QR submit written request to The Small Business Office, OC-ALC/SB, 3001 Staff Drive, Ste 1AG85A, Tinker AFB, OK 74135-3009. FAX 405-739-7085. E‑mail [email protected]. No telephone requests. Only written requests received directly for the requestor are acceptable. This is not a request for proposal (RFP). The approximate issue/response date will be N/A.  NSN: 6680-00-918-0273RK, PN: 697360-1, NOUN: Indicator, Liquid QU, APPLICATION: C-130, PRIME: Simmonds Precision Products, Inc.