No. 12 spline 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 5910-01-034-9458
NSN 5998-01-367-2905
NSN 5930-00-636-8888
NSN 5965-01-291-0384
NSN 6150-00-959-5565
NSN 5895-00-832-0726
NSN 5925-01-128-3582
NSN 6105-00-639-6857
NSN 6130-01-455-1512
NSN 6650-01-447-7962
NSN 6220-01-455-4768
NSN 6645-01-008-2720