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 6220-01-539-5242
NSN 6135-01-106-0984
NSN 5965-00-992-8942
NSN 5920-01-145-8616
NSN 5925-00-316-5312
NSN 5910-01-053-1124
NSN 5985-01-101-1980
NSN 6145-01-430-3839
NSN 6240-00-326-2966
NSN 5855-00-106-1640
NSN 6110-01-010-4551
NSN 5935-01-660-8492