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 6650-01-214-6285
NSN 5915-01-328-1657
NSN 5910-01-048-6600
NSN 6150-00-198-7395
NSN 6645-01-031-6402
NSN 5835-01-180-9441
NSN 5975-00-556-7814
NSN 5895-01-433-9710
NSN 7035-01-380-6538
NSN 5855-00-133-5897
NSN 5950-01-209-5627
NSN 5975-00-442-3500