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 5975-00-553-7151
NSN 5996-00-017-9189
NSN 2925-01-233-8545
NSN 2925-01-069-5324
NSN 5996-01-060-9882
NSN 6645-01-494-3845
NSN 6110-01-062-0252
NSN 6645-01-532-1408
NSN 5920-01-265-0820
NSN 6610-01-075-5821
NSN 5945-00-962-2814
NSN 6610-01-170-2905