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 6685-01-399-8584
NSN 6145-01-515-9011
NSN 5920-01-329-4571
NSN 6240-01-441-3606
NSN 6110-01-331-3486
NSN 5915-01-063-5908
NSN 5930-01-237-0667
NSN 7035-01-485-0269
NSN 5920-00-362-1376
NSN 5985-01-381-7469
NSN 7035-00-300-3208
NSN 6685-01-528-2906