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 5895-01-012-0930
NSN 5945-01-249-1310
NSN 6135-00-078-9931
NSN 5950-01-478-3981
NSN 6110-00-843-0498
NSN 5925-00-958-8215
NSN 5985-01-541-4797
NSN 5855-01-500-6617
NSN 5965-00-879-7287
NSN 5999-00-969-5718
NSN 5835-01-518-4300
NSN 5920-01-382-5323