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 6130-01-152-2019
NSN 5935-01-097-6721
NSN 5930-01-191-6399
NSN 6135-00-248-4102
NSN 5999-00-369-9457
NSN 6240-01-088-0389
NSN 5920-01-201-4410
NSN 6610-00-437-5681
NSN 5855-01-129-9760
NSN 6320-01-313-8306
NSN 6620-01-239-7671
NSN 5920-00-226-0227