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 6685-01-089-8141
NSN 6620-00-959-6614
NSN 6320-01-320-3305
NSN 6685-00-168-4416
NSN 7035-01-487-3324
NSN 6240-00-583-9863
NSN 5965-01-655-5965
NSN 5996-00-476-8617
NSN 7035-01-056-5350
NSN 6610-01-027-0087
NSN 5910-01-574-9765
NSN 5925-01-564-8576