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 5985-01-494-7577
NSN 2925-01-255-6394
NSN 5915-01-150-6417
NSN 6145-01-386-1002
NSN 6145-01-539-8207
NSN 6685-01-085-4352
NSN 5999-00-664-1818
NSN 5996-01-463-3152
NSN 5965-00-630-7872
NSN 6220-00-368-4945
NSN 5960-00-068-1457
NSN 2925-01-545-2717