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 6240-00-393-1161
NSN 5999-01-463-8277
NSN 6685-00-411-6863
NSN 5975-01-415-5771
NSN 6130-01-230-3210
NSN 5996-01-160-3229
NSN 6135-01-494-3607
NSN 5960-00-406-4333
NSN 6105-01-469-0826
NSN 5975-00-862-4506
NSN 5835-01-147-7526
NSN 5905-01-159-8053