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
Federal Aviation Administration 
U.s. Coast Guard 
National Aeronautics and Space Administration
National Aeronautics and Space Administration 
Austria 
Lithuania 
Poland 
Brazil 
Spain 
Singapore 
Australia 
Belgium 
Canada 
New Zealand 
France 
Germany 
Republic of Korea 
Netherlands 
Portugal 
Italy 
Denmark 
Norway 
Greece 
Turkey 
NATO Maintenance and Supply Agency Classification: Bolts and bolts and their nuts or washers exported in the same shipment
NSN 6685-01-644-6319
NSN 5945-01-098-5319
NSN 5945-00-150-0980
NSN 5945-00-375-8361
NSN 5915-01-265-5915
NSN 5920-00-275-0498
NSN 5998-00-000-0177
NSN 6135-01-526-6530
NSN 6130-01-301-3571
NSN 6650-01-273-9775
NSN 5920-01-656-5482
NSN 6240-00-758-3367