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 6135-01-364-0667
NSN 5950-00-530-4612
NSN 6105-00-618-0153
NSN 5915-01-235-8077
NSN 6135-01-612-4148
NSN 6685-01-161-7711
NSN 5998-00-231-8949
NSN 5975-01-511-1234
NSN 5925-00-256-3486
NSN 5855-01-108-2044
NSN 6135-01-433-2062
NSN 4140-00-009-8803