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 5915-01-657-6931
NSN 4140-00-939-6986
NSN 5990-01-377-8991
NSN 5915-00-133-2847
NSN 5950-01-216-4670
NSN 6110-00-525-2280
NSN 7035-01-268-8042
NSN 6645-00-171-9251
NSN 5945-01-074-8437
NSN 6220-00-269-4556
NSN 6685-00-942-8323
NSN 5950-01-421-1788