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 6135-01-204-8712
NSN 4140-00-686-4894
NSN 5905-01-561-2972
NSN 5990-00-013-6862
NSN 5998-01-242-3878
NSN 6135-00-422-3967
NSN 5855-00-688-9954
NSN 5990-01-527-7640
NSN 5935-01-412-0701
NSN 6220-00-299-2907
NSN 5905-00-030-9964
NSN 5999-01-548-0069