5325-00-526-2076 (UR275CD)
NSN 5325-00-526-2076 (NIIN 00-526-2076) 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 UR275CD (Spirolox Inc, CAGE 80756); also referenced as 5325PL1941705 (Jednolity Indeks Materialowy -).
Key specs: 211000 psi minimum tensile strength; full characteristics table below. NIIN assigned August 1974; DEMIL A (none required); unit of issue EA (each), $4.62 gov standard price; export Schedule B 9606.10.0000; ships at 0.1 lb / 0.0033 cu ft.