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 6645-01-620-3483
NSN 5835-01-545-2629
NSN 6105-01-397-8711
NSN 5945-00-170-8645
NSN 6320-01-600-5808
NSN 5965-01-446-6001
NSN 6650-01-472-3955
NSN 2925-01-434-6945
NSN 6685-01-168-2916
NSN 5930-00-730-1576
NSN 5920-01-592-9983
NSN 5925-01-460-0451