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 
U.s. Marine Corps 
Dept. of the Navy 
Defense Logistics Agency 
U.s. Coast Guard 
Bureau of Mines 
Bureau of Reclamation 
Government Printing Office 
Bureau of Engraving and Printing 
Bureau of the Mint 
National Aeronautics and Space Administration
National Aeronautics and Space Administration 
General Services Administration
General Services Administration 
Tennessee Valley Authority 
Austria 
Finland 
Hungary 
Lithuania 
Poland 
U.s. Postal Service - Procurement and Supplies Dept. 
Spain 
Singapore 
Morocco 
Thailand 
Australia 
Belgium 
Canada 
New Zealand 
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 6645-01-252-8870
NSN 6320-01-415-0953
NSN 6110-00-654-3539
NSN 2925-00-650-5611
NSN 6135-01-159-9705
NSN 6650-01-217-0303
NSN 5910-00-155-8775
NSN 5895-01-014-7053
NSN 5915-00-777-4296
NSN 5990-01-348-2497
NSN 6130-00-233-0390
NSN 6240-01-558-9338