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 5910-01-516-2146
NSN 5975-01-203-2774
NSN 6650-00-492-6072
NSN 2925-01-244-3016
NSN 5855-01-444-0588
NSN 6620-00-245-6164
NSN 4140-01-545-0270
NSN 5975-01-038-3769
NSN 5996-01-278-2909
NSN 6145-01-318-8278
NSN 6135-00-477-8847
NSN 5930-00-618-0012