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 6145-01-099-4742
NSN 5996-01-391-7403
NSN 5985-01-291-5454
NSN 2925-00-614-1758
NSN 5950-01-271-0720
NSN 5930-01-429-8443
NSN 5960-00-045-5317
NSN 6645-01-070-7364
NSN 6150-01-566-8173
NSN 5925-01-417-9203
NSN 6645-01-602-8275
NSN 5975-01-260-7992