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 5985-01-418-0804
NSN 5855-00-174-3482
NSN 2925-01-394-9658
NSN 5998-01-145-4426
NSN 6645-00-787-7699
NSN 6130-00-285-3725
NSN 6110-00-738-3400
NSN 5975-01-478-8685
NSN 6110-00-600-6105
NSN 5905-01-465-7068
NSN 5950-01-503-8388
NSN 6150-01-222-2806