No. 30 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 5990-00-963-1799
NSN 2925-01-565-6410
NSN 5835-01-257-5342
NSN 6130-01-486-6353
NSN 5935-00-118-3884
NSN 5985-00-502-1069
NSN 6620-01-569-4621
NSN 5996-00-538-7829
NSN 5998-01-504-6438
NSN 6320-01-328-6575
NSN 2925-01-153-7794
NSN 5960-01-112-0721