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 5996-01-417-3139
NSN 6105-01-332-4724
NSN 6645-01-268-0544
NSN 6240-00-959-7025
NSN 7035-01-163-8423
NSN 5965-01-452-8406
NSN 6130-01-381-2969
NSN 5895-01-152-1514
NSN 5990-01-320-1412
NSN 6105-00-104-6853
NSN 5910-01-332-0306
NSN 6620-01-443-3526