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 7035-00-849-5526
NSN 5920-00-901-1551
NSN 6135-01-398-5922
NSN 5998-00-506-7445
NSN 6145-00-168-1296
NSN 5835-01-618-7621
NSN 6130-01-517-0583
NSN 6610-00-478-2815
NSN 6145-01-545-8472
NSN 2925-00-315-8442
NSN 6645-01-144-2161
NSN 6105-01-514-7310