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 6145-01-570-9355
NSN 2925-00-242-7688
NSN 5925-00-682-0742
NSN 6650-01-027-1181
NSN 5855-01-213-9076
NSN 6685-01-216-7164
NSN 6135-01-422-1440
NSN 6130-01-123-7586
NSN 6145-01-430-9247
NSN 4140-01-657-7325
NSN 6220-01-576-9066
NSN 5975-01-525-3170