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 5855-01-171-9841
NSN 6685-01-035-3056
NSN 5905-01-099-4351
NSN 5915-00-960-4786
NSN 5915-00-878-5193
NSN 6150-01-538-5236
NSN 5925-01-598-6095
NSN 5895-01-463-4584
NSN 5895-01-449-0912
NSN 4140-00-020-1835
NSN 7035-00-155-9513
NSN 6145-00-826-6676