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 2925-01-654-2478
NSN 5905-00-930-4337
NSN 5965-01-396-7508
NSN 5998-00-377-3807
NSN 5855-01-446-9545
NSN 6610-00-111-3648
NSN 4140-00-707-5963
NSN 5945-01-089-8771
NSN 6620-01-203-1022
NSN 5905-00-450-0109
NSN 5960-01-144-9183
NSN 6650-01-380-5691