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 2925-00-257-2872
NSN 5835-01-657-0245
NSN 5996-01-299-7792
NSN 7035-01-563-6118
NSN 5999-00-279-1580
NSN 5965-00-964-1756
NSN 6620-00-619-7769
NSN 6135-00-305-2052
NSN 6130-01-654-3623
NSN 6645-01-142-4574
NSN 5950-00-548-2187
NSN 5996-01-520-9570