The replacement pressure tank gasket is used to seal the lid of the pressure tank to the tank bottom. Typically when the gasket is worn it will start to leak air pressure.

This replacement gasket fits the following pressure tank models and brands:

All A. Technologies 5 gallon and 10 gallon pressure tanks both stainless steel and non-stainless steel(51-501, 51-502, 51-503, 51-504, 51-507, 51-507C, 51-508, 51-511, 51-512, 51-514, 51-515, 51-850, 51-851, 51-852, 51-853, 51-854, 51-855, 51-920, 51-921, 51-922, 51-923, 51-924, 51-925, 51-550, 51-551, 51-551C, 51-552, 51-553, 51-554, 51-555, 51-556, 51-557, 51-558, 51-560, 51-561, 51-562, 51-563, 51-564, 51-565)
All Performance Series 5 gallon and 10 gallon pressure tanks both stainless steel and non-stainless steel
All Pro-Tek 5 gallon and 10 gallon pressure tanks both stainless steel and non-stainless steel
All SATA 5 gallon and 10 gallon pressure tanks both stainless steel and non-stainless steel
All O.M. Spray (Asturo) 5 gallon and 10 gallon pressure tanks both stainless steel and non-stainless steel
All Turbinaire 5 gallon and 10 gallon pressure tanks both stainless steel and non-stainless steel

*If your 5 or 10 gallon tank is not listed above, please measure the inside and outside diameter of the groove that the gasket sits in on the underside of the pressure tank lid. If the diameters match or are extremely close to the specs listed below, this gasket could work as a possible replacement. Not all 5 and 10 gallon tanks have the same dimensions or use the same size gasket.

Specifications:

12 ¾” O.D. (outside diameter)
12” I.D. (inside diameter)
Made of Thiokol or Strataprene rubber material
Solvent resistant

*(Please note that this gasket fits the tanks listed above and are sold each).

Replacement Lid Gasket – 5 & 10 Gallon Pressure Tank (51-520-P)

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