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 5920-01-435-5091
NSN 5996-00-264-0710
NSN 6620-01-597-9815
NSN 5930-01-282-5611
NSN 4140-00-891-3009
NSN 5965-01-361-9760
NSN 5960-01-100-7381
NSN 6220-01-078-5930
NSN 4140-01-487-3180
NSN 7035-00-929-0363
NSN 5998-01-161-7260
NSN 5855-00-688-9954