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 6130-01-545-8378
NSN 6620-00-994-9917
NSN 5930-01-121-9083
NSN 2925-00-066-4253
NSN 7035-01-633-9537
NSN 5965-01-381-4879
NSN 5935-00-430-5317
NSN 5925-00-135-3440
NSN 6145-01-158-8408
NSN 6320-00-506-2314
NSN 5905-01-414-8606
NSN 6150-01-325-8125