5325-00-761-6464 (70-42176)
NSN 5325-00-761-6464 (NIIN 00-761-6464) is a retaining ring in Federal Supply Class 5325, Fastening Devices — a resilient metal item, circular or nearly circular, which is designed to be inserted into an internal or external groove and retained by its own spring action. Manufacturer part number 70-42176 (Halliburton Co, CAGE 73021); also referenced as M2742630224D, MIL-DTL-27426 (Military Specifications); RR-600S (Spirolox Inc); MS27426-3224D (Zf Industrieantriebe Witten Gmbh).
Key specs: 185000 psi minimum tensile strength; full characteristics table below. NIIN assigned January 1960; DEMIL A (none required); unit of issue EA (each), $6.82 gov standard price; export Schedule B 9606.10.0000; ships at 0.003 lb / 0.0042 cu ft.