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 5990-01-411-5930
NSN 2925-01-236-3547
NSN 2925-01-244-3016
NSN 5960-00-170-4596
NSN 4140-01-232-8998
NSN 6130-01-152-4573
NSN 5855-01-452-8512
NSN 6105-01-212-9245
NSN 6645-00-019-0554
NSN 5990-00-200-5232
NSN 6685-01-033-4648
NSN 5905-01-187-6048