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 6240-00-455-7640
NSN 5915-00-103-6457
NSN 2925-01-316-0725
NSN 6240-01-371-0978
NSN 6320-00-931-4855
NSN 5925-01-538-5747
NSN 6220-01-519-4254
NSN 6145-01-067-1881
NSN 5950-01-478-2243
NSN 6130-00-891-2869
NSN 5855-01-093-8202
NSN 5960-00-102-8128