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 5895-00-775-6425
NSN 4140-00-074-2389
NSN 5950-01-128-3750
NSN 5985-01-444-3097
NSN 5975-01-061-1133
NSN 5935-00-076-7100
NSN 5895-00-199-4964
NSN 5998-00-910-4817
NSN 2925-00-580-4931
NSN 2925-00-351-1015
NSN 5905-00-116-2781
NSN 6105-00-527-7702