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 
Defense Threat Reduction Agency 
U.s. Marine Corps 
Dept. of the Navy 
U.s. Coast Guard 
National Aeronautics and Space Administration
National Aeronautics and Space Administration
National Aeronautics and Space Administration 
Austria 
Hungary 
Lithuania 
Poland 
Brazil 
Spain 
Singapore 
Morocco 
Australia 
Belgium 
Canada 
New Zealand 
France 
Germany 
Republic of Korea 
Netherlands 
Portugal 
Italy 
Denmark 
Greece 
Turkey Classification: Bolts and bolts and their nuts or washers exported in the same shipment
NSN 2925-00-422-5159
NSN 5990-01-333-6583
NSN 5950-00-979-8022
NSN 5999-01-003-8116
NSN 5920-01-242-1691
NSN 6110-01-603-7527
NSN 5905-01-099-1620
NSN 6240-01-375-3571
NSN 5985-00-213-7171
NSN 6145-00-613-8489
NSN 6610-01-439-8513
NSN 6240-01-360-0225