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 5998-00-902-0203
NSN 6135-01-202-8113
NSN 5925-00-139-4829
NSN 2925-01-386-7392
NSN 5960-01-079-5755
NSN 6685-00-294-0758
NSN 5965-01-207-7026
NSN 6220-00-111-3188
NSN 5910-01-114-8454
NSN 5998-00-220-5796
NSN 5835-00-725-2087
NSN 6150-01-474-5199