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 6645-01-213-1739
NSN 5910-00-944-9526
NSN 6645-00-262-7448
NSN 5998-01-384-0420
NSN 5835-01-469-6706
NSN 5855-01-314-8335
NSN 5835-01-507-0731
NSN 6650-01-429-9242
NSN 6610-00-506-0654
NSN 6685-01-007-0259
NSN 6150-00-158-0066
NSN 5905-01-032-8082