4730-00-720-4123 (4730007204123)
NSN 4730-00-720-4123 (NIIN 00-720-4123) is a tube 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 a straight flow. Manufacturer part number 4730007204123 (E.C.A Etablissement Central Des, CAGE A00AM); also referenced as MS21908-12 (Military Standards).
Key specs: 3000 psi maximum single response operating pressure; full characteristics table below. NIIN assigned January 1961; DEMIL A (none required); unit of issue EA (each), $29.23 gov standard price; export Schedule B 7307.92.9000; ships at 0.2 lb / 0.0087 cu ft. Related NSN 4730-01-542-6327.