No. 8 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 5930-01-197-4377
NSN 6240-01-654-9278
NSN 5915-01-139-5441
NSN 5999-00-503-0331
NSN 5915-01-450-9285
NSN 6620-01-530-0778
NSN 5999-01-401-5322
NSN 6110-01-386-4055
NSN 5935-01-497-1786
NSN 6320-01-530-4870
NSN 5996-01-268-3404
NSN 5920-01-097-3178