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 
Federal Aviation Administration 
U.s. Coast Guard 
Austria 
Slovenia 
Poland 
Bulgaria 
Brazil 
Spain 
Columbia 
Singapore 
Malaysia 
Australia 
Belgium 
Canada 
New Zealand 
France 
Germany 
Republic of Korea 
United Kingdom 
Netherlands 
Portugal 
Italy 
Denmark 
Greece 
Turkey Classification: Other copper screws (not for wood) bolts and nuts
NSN 6320-00-313-9114
NSN 4140-01-461-2350
NSN 2925-01-620-9673
NSN 5925-01-444-0929
NSN 5855-01-178-6396
NSN 5855-00-797-8217
NSN 6220-01-641-8494
NSN 5935-01-652-4338
NSN 5910-01-622-3590
NSN 5895-01-601-5132
NSN 6650-00-140-8776
NSN 6620-01-650-5226