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 5910-01-369-2727
NSN 5965-01-207-0991
NSN 5935-01-539-8869
NSN 6620-01-442-8444
NSN 6130-01-117-5862
NSN 6685-00-679-9965
NSN 5996-01-619-6176
NSN 6645-01-649-8227
NSN 5920-01-474-5404
NSN 5975-00-003-3407
NSN 6650-00-283-0978
NSN 6240-01-287-1328