No. 10 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 6650-00-269-5000
NSN 6620-00-233-6839
NSN 5905-00-515-3594
NSN 6130-01-545-5258
NSN 2925-00-684-2989
NSN 5990-01-632-0969
NSN 4140-01-050-8096
NSN 6150-00-443-0099
NSN 6150-00-234-6475
NSN 6320-01-268-3072
NSN 6240-00-397-3864
NSN 6685-00-508-9058