5120-01-075-9100 (B107.5M)
NSN 5120-01-075-9100 (NIIN 01-075-9100) is a socket wrench socket in Federal Supply Class 5120, Hand Tools, Nonedged, Nonpowered — an item having an internal drive at one end made to fit into the external drive end of a socket wrench handle, torque wrench, or power driven tool. Manufacturer part number B107.5M (The American Society Of Mechanical, CAGE 05047); also referenced as B107.5M CL1STB, B107.5M TY1CL2 (General Services Administration).
Key specs: manual tool; full characteristics table below. NIIN assigned April 1979; DEMIL A (none required); export Schedule B 8204.20.0000.