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 6240-01-657-4133
NSN 2925-00-167-6762
NSN 5996-00-182-7627
NSN 5999-01-113-7864
NSN 7035-01-361-4176
NSN 6150-01-656-7780
NSN 6620-00-900-3986
NSN 5996-01-121-5949
NSN 5905-00-338-3641
NSN 5930-01-168-0177
NSN 6650-01-604-9315
NSN 6135-01-329-7994