Dual check type
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
NSN 7035-00-946-2642
NSN 6150-00-128-5992
NSN 5975-01-006-0889
NSN 5905-01-192-2767
NSN 5998-00-888-7676
NSN 5996-00-116-3950
NSN 6130-01-088-9290
NSN 6105-01-550-3693
NSN 6610-01-291-4173
NSN 5990-01-154-7296
NSN 6110-01-296-9779
NSN 5855-01-078-4180