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 6645-01-581-5214
NSN 6220-00-895-1495
NSN 5920-00-391-6252
NSN 6650-01-420-6572
NSN 5920-01-203-6952
NSN 6320-01-409-1388
NSN 5895-01-337-1755
NSN 6620-01-633-8443
NSN 5998-00-014-2363
NSN 5920-00-757-6144
NSN 6320-00-445-1187
NSN 5975-00-159-0969