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 6685-00-187-8379
NSN 6150-01-607-1273
NSN 5990-01-433-3786
NSN 5930-01-429-0379
NSN 5990-01-070-4627
NSN 5855-00-688-9954
NSN 2925-00-243-6841
NSN 6320-01-575-6342
NSN 6130-01-213-0196
NSN 5965-00-171-1265
NSN 5920-01-626-2623
NSN 6145-01-183-4137