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 
National Security Agency 
U.s. Marine Corps 
Dept. of the Navy 
Office of the Secretary of Transportation 
U.s. Coast Guard 
National Aeronautics and Space Administration
National Aeronautics and Space Administration 
Austria 
Lithuania 
Poland 
Brazil 
Spain 
Israel 
Singapore 
Kuwait 
Saudi Arabia 
Malaysia 
Australia 
Canada 
New Zealand 
France 
Germany 
Republic of Korea 
United Kingdom 
Netherlands 
Portugal 
Italy 
Denmark 
Greece 
Turkey 
NATO Maintenance and Supply Agency Classification: Bolts and bolts and their nuts or washers exported in the same shipment
NSN 5905-01-367-6746
NSN 5930-01-243-0822
NSN 6610-01-232-4802
NSN 5965-01-576-9859
NSN 6135-01-463-2445
NSN 5996-01-069-2915
NSN 6110-00-104-2359
NSN 6610-00-973-8559
NSN 2925-01-161-7440
NSN 5895-00-580-0842
NSN 6130-01-521-4461
NSN 5855-01-628-8254