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 5895-00-582-1128
NSN 6685-00-517-7132
NSN 6220-00-945-8483
NSN 5910-01-654-6330
NSN 4140-01-484-9753
NSN 6610-01-187-9384
NSN 5999-01-430-3510
NSN 5945-00-269-5375
NSN 5975-00-569-3538
NSN 6645-01-277-3970
NSN 6685-01-370-4142
NSN 5990-00-968-7685