4730-00-825-8686 (1702)
NSN 4730-00-825-8686 (NIIN 00-825-8686) is a pipe elbow in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, And Railing Fittings — a fitting that forms an angle of less than 180 degrees (3.141 radians) from the straight flow. Manufacturer part number 1702 (ITT Grinnell Corp, CAGE 80996); also referenced as 452E (Crane Co).
Key specs: 1435 psi maximum second response operating pressure; 1660 psi maximum first response operating pressure; full characteristics table below. NIIN assigned January 1962; DEMIL A (none required). Supersedes 4730-00-825-8677 (2023).