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 7035-00-849-5526
NSN 6145-00-621-0225
NSN 6150-00-723-4618
NSN 6645-01-294-6403
NSN 5990-01-621-6969
NSN 5975-00-128-7916
NSN 6320-01-195-5583
NSN 6685-00-296-0392
NSN 5985-00-621-0400
NSN 6150-01-507-3032
NSN 5985-01-359-2605
NSN 5855-00-361-0167