Used on fresh water pump,nsn 4320-01-088-9367, main propulsion diesel engines,cummins model vt-903m onboard 41 ft utb coast guard vessels. 1.2500" bore diameter 0.968" housing length o/a length 1.156 in. nom. flange cartridge block
1.2080" bore diameter 0.695" housing length 32 thread quantity per inch six equally spaced holes in 3 section's totaling 16 AA0.184 dia. AA0.545 between each set of six holes cadmium surface treated flange cartridge block unf thread series