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 5925-01-033-1980
NSN 5910-01-104-2558
NSN 5925-01-398-1202
NSN 7035-01-086-8095
NSN 6685-00-375-8689
NSN 5985-01-336-5042
NSN 6685-01-084-6432
NSN 6620-00-495-7438
NSN 6650-01-584-1102
NSN 5855-00-779-2854
NSN 6650-01-386-5787
NSN 5990-00-155-2306