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 5920-01-364-1866
NSN 6135-00-995-1089
NSN 6145-01-592-1351
NSN 6130-01-136-5863
NSN 5975-01-142-3190
NSN 5999-01-050-7854
NSN 5925-01-360-6661
NSN 6650-00-035-9297
NSN 5930-01-095-7459
NSN 6645-01-062-0905
NSN 5999-00-003-5859
NSN 6130-01-315-8645