This document contains specifications for Cameron flanges in various sizes, including the flange size, gasket size, inner diameter, bolt size, bolt circle diameter, and number of bolts. Flange sizes listed are 4-1/16 inch, 3-1/16 inch, 3-1/8 inch, and 2-9/16 inch, each available in 15K, 10K, and 5K pressure ratings. The specifications provide the necessary details to ensure proper fitting and installation of the Cameron flanges.