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 5998-00-430-0366
NSN 5975-01-536-6076
NSN 5920-00-351-8428
NSN 5965-01-238-3900
NSN 5998-00-057-3491
NSN 4140-01-460-0440
NSN 5855-00-631-4565
NSN 2925-00-238-1668
NSN 6645-01-023-8724
NSN 6130-01-584-7455
NSN 5950-01-054-7458
NSN 5910-01-234-7407