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 6645-01-121-4584
NSN 5930-01-120-3690
NSN 5985-01-167-8785
NSN 6135-01-532-0775
NSN 5960-00-691-1375
NSN 6240-00-246-5060
NSN 5950-00-579-2222
NSN 5925-00-149-2855
NSN 4140-01-488-3969
NSN 5996-00-707-6228
NSN 6130-00-246-8691
NSN 6620-01-619-3980