Nox-Rust 7800 Corrosion protective coating lubricant & temporary coating Fed Spec VV-L-800 and performs to Mil-PRF-32033. When packaged or used for enclosed components will give as much as 12 months protection against corrosion. Nox-Rust 7800 differs from ordinary corrosion preventive liquids in that it is also an excellent lubricant for fine components even at very low temperatures.