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 6150-00-185-3293
NSN 6145-01-206-1608
NSN 6320-00-194-4252
NSN 6650-00-035-9297
NSN 6220-01-246-2303
NSN 5975-00-382-6883
NSN 5835-00-461-9984
NSN 6145-01-120-3364
NSN 6145-01-235-8127
NSN 5895-00-644-5712
NSN 5910-01-421-5655
NSN 5925-01-225-0535