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 6135-00-228-8140
NSN 7035-00-922-5700
NSN 2925-00-572-0454
NSN 6220-00-255-5652
NSN 6645-01-196-6277
NSN 5855-00-487-9691
NSN 6645-00-479-9334
NSN 5905-01-015-6330
NSN 5910-00-288-5979
NSN 5998-01-358-2826
NSN 5920-01-304-8901
NSN 5965-01-631-2722