An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. the threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. the thread length being the controlled dimension, the grip length is not specified. a locking feature may be incorporated in the design of the head or threads. the head is not designed to be held or driven with an inserted driver or by the thumb and fingers. excludes bolt,machine; bolt,externally relieved body; 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 
U.s. Coast Guard 
National Aeronautics and Space Administration
National Aeronautics and Space Administration 
Austria 
Finland 
Hungary 
Lithuania 
Slovenia 
Poland 
Brazil 
Spain 
Singapore 
Kuwait 
Morocco 
Malaysia 
Australia 
Belgium 
Canada 
New Zealand 
France 
Germany 
Republic of Korea 
United Kingdom 
Netherlands 
Portugal 
Denmark 
Norway 
Greece 
Turkey 
NATO Maintenance and Supply Agency Classification: Bolts and bolts and their nuts or washers exported in the same shipment
NSN 5920-00-974-4381
NSN 5996-01-604-8629
NSN 6685-00-004-8980
NSN 6650-00-171-4175
NSN 6650-00-943-4247
NSN 7035-00-929-0363
NSN 6150-01-352-3227
NSN 5960-00-266-6741
NSN 5930-00-186-0712
NSN 6320-01-229-6479
NSN 5990-00-469-7654
NSN 6240-01-112-1120