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 5998-01-236-8596
NSN 2925-01-067-4446
NSN 6130-01-046-5238
NSN 5855-01-439-7214
NSN 5960-00-458-8363
NSN 6145-00-466-4068
NSN 5965-01-441-0858
NSN 5990-01-432-0523
NSN 5999-01-103-0968
NSN 5998-01-005-4562
NSN 6240-00-435-9730
NSN 5855-01-085-5354