3aluminum ams 4214, black anodize, 6.125 in. Lg, 3.688 in. O/a h, 3.188 in. W, six 0.279 in. Min 0.288 in. Max mounting holes spotfaced to 0.688 in. Dia, two 2.250 in. Diameter 2.936 in. Lg holes used for fuel filter containment, pressure test per ams 2620