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 6150-01-121-7893
NSN 5905-01-049-8176
NSN 5835-01-316-3255
NSN 5985-01-464-4735
NSN 5975-01-481-2646
NSN 7035-01-105-0191
NSN 6685-01-145-3938
NSN 6145-00-943-9549
NSN 4140-00-170-5152
NSN 6685-00-526-4280
NSN 7035-01-200-4751
NSN 6105-01-539-5332