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
National Aeronautics and Space Administration 
Austria 
Poland 
Brazil 
Spain 
Singapore 
Morocco 
Malaysia 
Australia 
Belgium 
Canada 
Germany 
Republic of Korea 
United Kingdom 
Portugal 
Italy 
Greece 
Turkey Classification: Bolts and bolts and their nuts or washers exported in the same shipment
NSN 6220-01-529-6112
NSN 6645-01-337-1806
NSN 5975-01-444-9840
NSN 6150-01-320-2150
NSN 5920-01-618-7527
NSN 5915-00-820-8511
NSN 5835-01-644-8013
NSN 5985-01-653-9747
NSN 5975-01-550-9631
NSN 6320-01-563-8525
NSN 5925-01-629-6711
NSN 5920-01-169-1545