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 5996-01-321-3092
NSN 7035-01-199-6915
NSN 5960-01-429-5897
NSN 5925-00-081-9135
NSN 4140-00-159-8471
NSN 5915-01-534-5154
NSN 5960-01-143-1202
NSN 5925-00-933-6303
NSN 6650-00-736-8456
NSN 5990-00-908-4252
NSN 6220-01-534-4667
NSN 5998-01-537-4158