No. 8 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 5960-00-099-9790
NSN 6145-00-119-8201
NSN 5965-00-289-6280
NSN 6320-01-154-1099
NSN 5960-01-589-6846
NSN 5920-01-302-0423
NSN 6105-01-079-8763
NSN 5835-00-744-1277
NSN 5950-00-218-1362
NSN 6145-01-501-6548
NSN 6145-00-593-3782
NSN 2925-01-628-4219