10.830" overall length 9.870" overall width 12 notches, 0.060 in.radius, on aperture 2.600 in.center to center along length 3.500 in.center to center along width non-circular
Used on an/apq-120. 5.200" overall length 2.280" overall width two extensions along lg on same side one one each end 0.920 in. lg 0.660 in. width:next assy 653R254
Used on oliver perry class ffg; main feed pumps; spruance class dd (963); sturgeon class ssn (637); los angeles class ssn (688); kidd class ddg; ticonderoga class cg (47); virginia class cgn (41). 0.406" hole diameter 4.625" overall length 4.625" overall width 4 bolt hole quantity non-circular
0.438" hole diameter 6.500" outside diameter 4 bolt hole quantity inner edge of gasket to be cut approx 0.250 in. in to allow for 90 deg flange at dia circular
0.380" hole diameter 26.940" overall length 12.620" overall width 2 notches on one side @of aperture length, 0.750 in. w, 0.160 in deep, 22.750 in. c to c
0.563" hole diameter 10.000" overall length 8.000" overall width 10 bolt hole quantity centerline of all boltholes located 0.500 in. from outside edge of gasket non-circular