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 2925-00-766-1278
NSN 5855-01-617-2964
NSN 5990-00-438-5587
NSN 6650-01-175-0841
NSN 6105-01-524-4842
NSN 5835-00-711-3371
NSN 6645-00-025-4771
NSN 5960-01-104-0074
NSN 6650-01-525-7370
NSN 5915-00-501-4558
NSN 5895-00-874-0324
NSN 6110-01-245-8995