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 6105-00-147-8969
NSN 6220-01-157-9062
NSN 6130-01-634-0603
NSN 5985-01-164-0550
NSN 5925-00-971-2126
NSN 5905-00-815-1216
NSN 6645-01-053-3185
NSN 2925-01-577-0004
NSN 5855-01-149-4110
NSN 5920-00-410-7849
NSN 2925-00-899-4261
NSN 2925-01-027-1293