Mach 12 pt hd-.250-28x1.00lg
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.
NSN 5996-01-641-2518
NSN 6105-01-256-8621
NSN 5915-01-448-3510
NSN 5998-01-567-5279
NSN 5915-01-597-9432
NSN 5895-01-377-2435
NSN 5975-01-447-2771
NSN 6240-01-205-7515
NSN 6240-01-054-7185
NSN 7035-01-083-0282
NSN 6220-01-392-0502
NSN 5996-01-044-6958