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BMS 3-33

Boeing Specification

Corresponds to Aeroshell Grease 33



BMS 3-33 is a Boeing specification for general purpose corrosion inhibiting grease. A non-clay based grease that provides longer life for components and mechanisms and possesses improved wear and corrosion resistance.

Shell worked with Boeing during the development of BMS 3-33 and formulated AeroShell Grease 33 to meet the improved performance properties required by BMS 3-33. It was the first grease approved for BMS 3-33.