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 5910-00-444-5303
NSN 5935-01-649-3982
NSN 4140-00-869-9032
NSN 5960-01-276-7836
NSN 6645-01-557-8134
NSN 7035-00-371-7749
NSN 5996-01-210-5537
NSN 5855-01-357-7907
NSN 5920-00-291-1379
NSN 6610-01-406-4985
NSN 7035-01-433-3547
NSN 6240-01-323-7032