An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.
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National Aeronautics and Space Administration
National Aeronautics and Space Administration 
Austria 
Finland 
Lithuania 
Poland 
Bulgaria 
Brazil 
Spain 
Columbia 
Israel 
Singapore 
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Morocco 
Saudi Arabia 
Malaysia 
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 6145-01-580-8059
NSN 6220-01-514-8511
NSN 5998-00-762-6506
NSN 5895-00-258-3058
NSN 6130-01-593-9327
NSN 6610-01-271-7593
NSN 5835-00-787-8122
NSN 5965-01-531-3496
NSN 5855-00-149-0766
NSN 5965-01-644-6633
NSN 5855-00-832-9341
NSN 5950-01-239-6498