No. 26 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 4140-01-265-0731
NSN 6110-01-219-8727
NSN 5915-01-104-4044
NSN 2925-01-565-6410
NSN 5975-00-616-8907
NSN 5935-01-044-5741
NSN 6105-01-142-4551
NSN 6145-01-423-4734
NSN 4140-01-123-9149
NSN 6130-01-355-4771
NSN 5985-00-516-2373
NSN 5945-00-509-4924