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 2925-01-350-5440
NSN 5895-01-516-7251
NSN 5910-00-860-8300
NSN 5910-01-367-7403
NSN 5925-00-256-4884
NSN 5990-01-609-4793
NSN 5915-01-356-6502
NSN 6685-01-309-6240
NSN 6645-01-653-2848
NSN 6130-00-434-2224
NSN 5996-01-371-2958
NSN 6620-00-132-4140