Mercury out-drive zinc anodes meet the MIL-A-18001K alloy and are 95% efficient.   Aluminum Anodes conform to the MIL-A-24779 alloy and are 85% efficient.  We do not recommend the usage of Aluminum anodes in fresh or lower levels of brackish water.

Mercury Anodes

ZINC PARTSTYLEDIMENSIONS (INCHES)HOLE(S) (INCHES)LBS
M-31640std skegskeg: 2.3 long -1
M-34127long skegskeg: 4 long -1.6
M-34762plate.4 x 2.5 x 2.52.0 oc0.6
M-43396waffle plate.6 x 2.1 x 2.56.75 oc1.5
M-43994waffle1.5 x 3 x 42.6 oc2
M-46399cutdown skegskeg: 2.4 long -0.75
M-55989button1.2 dia x 1.2 long1/2 NC0.25
M-76214round plate3.6 dia x 2 long7/16 NC0.64
M-76214-5round plate3.6 dia x 2 long7/16 NC0.7
M-806105ring w/ears2.9 oc1
M-806188open ring w/ears2.1 id x 2.7 od2.9 oc1
M-806189Alpha horseshoe.5 x 1.9 x .81.5 oc0.25
M-806190Bravo horseshoe1.93 od x 21.5 oc0.7
M-818298bar.5 x 2 x 7.56.6, 7.0 oc1.7
M-821629Alpha plate.7 x 2.9 x 7.53.3 oc1.7
M-821630Bravo plate.6 x 4.2 x 71.4 oc2.1
M-821631use: M-43994 - - -
M-822157cutdown skeg1/2 skeg: 2.6 long11
M-823912disc.8" od x .3 thick.250.1
M-826134wedge.5 -.9 x 1.2 x 30.50.5
M-89949handlebar.4 x 2.3 x 11.122.52.5
M-865182cone1.25 - 2.05 od x 2.4 long1.5 hex, , .3 hole1

M-31640

Mercury Zinc Anodes

M-34762

Mercury Zinc Anodes

M-43396

M-43396

M-55989

M-55989

M-76214-5

M-76214-5

M-806188

M-806188

M-34127

Mercury Zinc Anodes

M-43394

Mercury Zinc Anodes

M-46399

M-46399

M-76214

M-76214

M-806105

M-806105

M-806189

M-806189

M-806190

M-806190

M-818298

M-818298

M-821629

M-821629

M-821630

M-821630

M-821631

M-43994

M-822157

M-822157

M-826134

M-826134

M-823912

M-823912

M-865182

M-865182

M-89949

M-89949