5/16-18 by 2 1/4
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. the threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. for items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.
Classification: Bolts and bolts and their nuts or washers exported in the same shipment
NSN 6610-01-027-1641
NSN 6320-01-498-4954
NSN 5915-01-187-7469
NSN 5920-00-422-5517
NSN 5835-01-142-9233
NSN 5920-01-394-5003
NSN 5920-01-608-8478
NSN 6220-00-126-2691
NSN 6645-01-425-1673
NSN 5925-01-129-4135
NSN 5985-00-871-7820
NSN 5945-00-451-4840