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 7035-01-504-2204
NSN 6110-00-389-6600
NSN 6150-01-400-4211
NSN 5915-01-420-2691
NSN 5996-00-902-0202
NSN 6645-01-316-7456
NSN 5905-01-408-5208
NSN 6685-01-420-2478
NSN 5915-01-338-8273
NSN 5855-01-492-6385
NSN 5895-01-386-3049
NSN 6135-01-596-3145