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 5996-01-419-4215
NSN 6220-00-875-6586
NSN 5965-01-262-3513
NSN 6650-01-481-8009
NSN 7035-01-521-3449
NSN 5996-00-947-3833
NSN 5925-01-322-4366
NSN 5945-01-376-4158
NSN 6105-00-754-8248
NSN 6135-01-159-3032
NSN 5945-01-119-8402
NSN 5920-01-508-0795