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.
National Bureau of Standards 
Dept. of the Army 
Dept. of the Air Force 
Defense Threat Reduction Agency 
U.s. Marine Corps 
Dept. of the Navy 
U.s. Coast Guard 
Bureau of Reclamation 
Bonneville Power Administration 
Government Printing Office 
National Aeronautics and Space Administration
National Aeronautics and Space Administration
National Aeronautics and Space Administration 
Panama Canal Company 
General Services Administration 
Austria 
Hungary 
Lithuania 
Poland 
Brazil 
Spain 
Singapore 
Morocco 
Australia 
Belgium 
Canada 
France 
Germany 
Republic of Korea 
United Kingdom 
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 5998-01-238-5528
NSN 5925-01-420-6317
NSN 5950-01-040-6326
NSN 5855-01-228-0942
NSN 5985-01-647-6967
NSN 6240-00-968-9274
NSN 5855-01-500-6617
NSN 6135-01-286-9563
NSN 5855-01-294-0912
NSN 5990-00-149-8181
NSN 5990-01-514-8708
NSN 6220-01-028-0329