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 5835-01-235-0391
NSN 4140-00-733-7936
NSN 6150-01-547-3110
NSN 5925-01-608-3822
NSN 5910-01-172-7204
NSN 6645-01-112-1095
NSN 6135-01-438-9450
NSN 5996-00-066-7451
NSN 5915-00-597-0038
NSN 6145-01-629-4079
NSN 6105-00-114-2165
NSN 7035-01-142-8036