No. 12 spline wrenching size
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. The opposite end consists of various internal wrench shapes such as hexagon or square. It may include an integral universal joint.
Classification: Socket wrenches with or without handles, drives and extensions, parts, base metal
NSN 6610-01-041-8015
NSN 6150-01-644-5407
NSN 6685-01-509-7766
NSN 6685-01-445-8939
NSN 5855-00-337-3679
NSN 5920-01-514-8762
NSN 5920-00-294-0753
NSN 5920-01-204-6419
NSN 5996-01-643-3640
NSN 5990-01-042-8524
NSN 5998-01-567-4006
NSN 6320-01-006-6138