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 5990-01-344-3708
NSN 5975-00-989-5046
NSN 5895-01-614-6073
NSN 6610-01-165-2104
NSN 6610-01-269-5437
NSN 6320-00-731-6134
NSN 5920-01-513-8858
NSN 5985-01-590-6303
NSN 7035-01-501-0593
NSN 2925-00-474-3630
NSN 6145-01-588-6241
NSN 6320-00-894-1644