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 5905-01-253-0032
NSN 5999-01-562-3307
NSN 2925-01-218-5556
NSN 5998-01-581-6584
NSN 5895-01-612-6854
NSN 6110-01-400-4207
NSN 5915-01-530-0989
NSN 6130-01-555-1565
NSN 6645-01-289-6298
NSN 6135-01-128-5358
NSN 5945-01-179-9695
NSN 6135-01-265-1384