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 5990-01-501-5409
NSN 5895-01-487-4035
NSN 5985-01-438-0636
NSN 5985-00-419-3671
NSN 5905-00-584-3708
NSN 5910-01-459-1704
NSN 6220-01-116-2411
NSN 6150-00-223-9761
NSN 5855-00-165-3093
NSN 6105-01-429-3283
NSN 5998-00-659-9533
NSN 6645-00-544-8529