Used on sea water pump on cummins,model vt-903m,diesel engine onboard 41 ft coast guard vessels. length of gasket 4.625" ; width 4.125" ; center hole diameter 3.375" ; includes four mounting holes 0.375" ; center to center dimension between mounting holes along length 3.687" ; center to center dimension between mounting holes along width 2.125"
Used on sea water pump,nsn 4320-01088-9369 model vt903-m main diesel engine onboard 41 ft. c.g. vessels. outside diameter 4.750" ; item has 10 each 0.281 inche bolt holes unequally spaced on a 4.250 inch bolt circle
0.130" hole diameter 1.060" outside diameter 4 bolt hole quantity with two additional holes of deminishing size one is 0.089 in.dia the other is 0.106 in.dia spaced in a manner to appear as three bolt hole circle circular
