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 5985-01-079-9279
NSN 6650-01-196-4667
NSN 4140-01-073-6199
NSN 6130-00-343-1660
NSN 6145-01-310-9375
NSN 5910-00-940-8583
NSN 2925-00-149-0760
NSN 6645-01-240-4640
NSN 6135-01-492-5717
NSN 6320-01-209-0952
NSN 5965-01-653-6466
NSN 5996-01-088-9406