Gasket atlas copco

9000 0000 - nitrile. For common sliding couplings, all sizes.
9000 0001 - viton. For steam.
9000 0015 - nitrile. For lockable sliding couplings, size 3/8"-1/2".
9000 0268 - nitrile. For lockable sliding couplings, size 3/4"-1".
9000 0319 - Viton, for steam.