5325-00-943-5374 (UR475CD)
NSN 5325-00-943-5374 (NIIN 00-943-5374) 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 UR475CD (Spirolox Inc, CAGE 80756); also referenced as 5325PL2024408 (Jednolity Indeks Materialowy -).
Key specs: 211000 psi minimum tensile and 280000 psi minimum tensile strength; full characteristics table below. NIIN assigned February 1966; DEMIL A (none required); unit of issue EA (each), $4.55 gov standard price; export Schedule B 9606.10.0000; ships at 0.0375 lb / 0.0007 cu ft.