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 5895-01-511-4100
NSN 5998-01-045-2172
NSN 6645-01-414-4133
NSN 6150-00-139-0814
NSN 5975-01-120-8741
NSN 5996-00-168-7651
NSN 5985-01-206-4086
NSN 5990-00-031-8598
NSN 5920-01-113-5881
NSN 5965-01-237-3342
NSN 5965-00-971-5522
NSN 5996-01-368-2906