An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.
NSN
NSN 5920-01-386-1954
NSN 6650-01-258-0811
NSN 6610-01-603-6316
NSN 5975-01-046-3287
NSN 4140-01-142-4535
NSN 6650-00-031-8467
NSN 6320-01-278-9832
NSN 6610-00-428-3678
NSN 5985-00-719-5080
NSN 6650-01-500-2594
NSN 6645-01-577-2306