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 6650-00-828-6553
NSN 5925-01-211-6660
NSN 6220-01-498-2800
NSN 5895-01-574-3630
NSN 6135-01-472-9011
NSN 6110-00-257-1446
NSN 5935-01-228-0718
NSN 4140-00-200-9082
NSN 6105-01-649-9841
NSN 6620-01-285-0302
NSN 5915-01-554-1391
NSN 2925-00-265-7539