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 5999-01-517-0241
NSN 5965-01-570-9070
NSN 6650-01-406-7765
NSN 5998-00-081-1454
NSN 6685-00-757-7503
NSN 5935-01-570-0712
NSN 5999-01-386-5834
NSN 5935-01-575-1528
NSN 6220-01-568-2671
NSN 6150-01-214-2462
NSN 7035-00-235-3529
NSN 6150-00-133-8515