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 5930-01-519-0265
NSN 5835-01-321-2906
NSN 6240-01-398-6049
NSN 5855-01-112-7725
NSN 6130-00-351-4653
NSN 5895-01-211-6807
NSN 6610-01-621-4621
NSN 5999-00-721-4116
NSN 5985-01-088-5936
NSN 5935-00-469-9466
NSN 6105-01-514-8741
NSN 6650-01-658-7194