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 6650-01-546-2378
NSN 5975-00-439-7776
NSN 5925-01-100-0970
NSN 6135-01-264-7261
NSN 6145-01-078-3577
NSN 6685-00-991-0738
NSN 6645-01-220-2838
NSN 5920-01-124-9224
NSN 7035-01-359-7460
NSN 5960-01-487-6436
NSN 5895-01-475-2086
NSN 6105-00-944-6119