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 6135-00-500-2082
NSN 5960-01-247-1599
NSN 6645-01-461-9250
NSN 6240-00-255-2159
NSN 6610-01-559-5073
NSN 7035-01-106-3476
NSN 6105-01-528-2455
NSN 6240-01-121-4124
NSN 7035-01-227-2546
NSN 5930-01-246-4572
NSN 5915-01-204-1077
NSN 6620-00-935-1321