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 6645-00-149-1100
NSN 5855-01-620-4086
NSN 5925-01-485-3595
NSN 5945-00-438-3285
NSN 5985-01-054-2917
NSN 7035-01-353-6861
NSN 7035-01-157-0028
NSN 5855-01-119-5869
NSN 6650-01-512-4428
NSN 6650-00-962-1079
NSN 6150-01-163-4489
NSN 5985-00-617-9043