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 6135-01-581-8163
NSN 6645-01-527-8109
NSN 6610-01-630-5515
NSN 6135-01-286-9563
NSN 5895-00-522-7935
NSN 5920-01-171-2467
NSN 5996-01-585-8535
NSN 5895-01-231-0072
NSN 6320-00-284-1524
NSN 2925-00-341-3336
NSN 5998-00-902-3247
NSN 6110-00-099-7113