5325-00-285-6987 (RD16669-68)
NSN 5325-00-285-6987 (NIIN 00-285-6987) 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 RD16669-68 (Hydro-Aire Aerospace Corp., CAGE 51663); also referenced as RRT68 (Spirolox Inc).
Key specs: 235 psi minimum tensile strength; full characteristics table below. NIIN assigned January 1963; DEMIL A (none required); unit of issue EA (each), $0.15 gov standard price; export Schedule B 9606.10.0000; ships at 0.02 lb / 0.0001 cu ft. Related NSN 5325-00-255-5595.