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 6135-01-641-4356
NSN 5910-01-633-9963
NSN 5960-01-567-1096
NSN 6650-01-298-0976
NSN 5925-00-035-4126
NSN 4140-01-254-7938
NSN 7035-01-151-0265
NSN 6620-01-390-9551
NSN 6130-01-563-0031
NSN 5895-01-106-2916
NSN 6645-00-711-5381
NSN 5930-01-217-1671