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 5965-00-594-3115
NSN 5998-01-128-7374
NSN 6620-01-108-4673
NSN 5910-01-544-8788
NSN 6105-01-205-1514
NSN 5975-00-290-4285
NSN 7035-00-507-5380
NSN 6650-01-327-0323
NSN 6220-00-602-3534
NSN 6320-01-082-2970
NSN 2925-00-698-4882
NSN 5925-00-038-6147