5365-01-036-2995 (RS-50CDK)
NSN 5365-01-036-2995 (NIIN 01-036-2995) is a retaining ring in Federal Supply Class 5365, Bushings, Rings, Shims, And Spacers — 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 RS-50CDK (Spirolox Inc, CAGE 80756); also referenced as 8035852 (Us Army Aviation And Missile Command).
Key specs: 221000 psi minimum tensile strength; full characteristics table below. NIIN assigned February 1977; DEMIL A (none required); export Schedule B 9606.10.0000.