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 5895-01-158-5980
NSN 5965-01-453-7504
NSN 5930-00-079-1304
NSN 6150-00-297-3928
NSN 5985-00-320-8665
NSN 6620-00-801-4674
NSN 5925-01-146-4088
NSN 6135-01-511-1975
NSN 6130-01-090-0894
NSN 7035-01-651-4199
NSN 6110-01-007-6111
NSN 6610-01-563-4312