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 
Bonneville Power Administration 
Government Printing Office 
National Aeronautics and Space Administration
National Aeronautics and Space Administration
National Aeronautics and Space Administration 
General Services Administration 
Tennessee Valley Authority 
Austria 
Hungary 
Lithuania 
Poland 
Brazil 
Spain 
Singapore 
Kuwait 
Morocco 
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 5999-01-607-1658
NSN 5950-01-381-5610
NSN 6220-01-471-7678
NSN 5998-01-035-3518
NSN 6645-01-485-6536
NSN 5965-01-092-1173
NSN 5920-01-188-8794
NSN 6220-00-112-2182
NSN 6240-01-508-0456
NSN 5945-01-057-8074
NSN 5990-01-471-7858
NSN 5895-00-866-7789