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 5999-00-456-4819
NSN 6650-00-947-4380
NSN 6220-00-039-6348
NSN 5999-00-514-3388
NSN 2925-01-224-1885
NSN 6320-01-446-8050
NSN 6240-01-530-3554
NSN 6135-01-417-6539
NSN 5996-01-400-0917
NSN 2925-01-633-4048
NSN 5998-00-591-0611
NSN 6645-00-300-6459