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.
Dept. of the Army 
Dept. of the Air Force 
U.s. Marine Corps 
Dept. of the Navy 
National Aeronautics and Space Administration 
Spain 
Australia 
Republic of Korea 
Portugal 
Italy 
Norway 
Greece 
Turkey Classification: Articles of plastics & articles of other materials of heading 3901 to 3914, nesoi
NSN 6110-01-532-2194
NSN 5990-01-503-0194
NSN 5990-01-411-5930
NSN 5999-00-469-2741
NSN 6620-01-469-7828
NSN 5965-01-020-1514
NSN 6685-01-184-0746
NSN 5999-00-263-7874
NSN 5965-01-383-3725
NSN 5905-01-400-5968
NSN 5895-00-803-0934
NSN 5975-01-170-4947