An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.
NSN 6130-00-566-0347
NSN 6220-01-497-7229
NSN 4140-01-368-7097
NSN 6110-00-465-0589
NSN 6135-00-856-1343
NSN 6105-01-437-8875
NSN 5996-01-211-3562
NSN 2925-01-565-6410
NSN 6610-00-988-9294
NSN 5999-01-038-5101
NSN 5855-01-572-5390
NSN 5935-01-526-4572