Fixed part
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 6610-00-937-3798
NSN 5996-01-016-6715
NSN 6135-01-548-1423
NSN 5999-01-465-5836
NSN 5905-00-308-7925
NSN 5930-01-385-1171
NSN 4140-01-414-7093
NSN 5999-00-938-9426
NSN 5925-01-428-9332
NSN 5960-00-810-6959
NSN 7035-01-091-7481
NSN 5855-00-256-5562