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 6610-00-270-6649
NSN 6110-01-309-2331
NSN 5910-01-074-6484
NSN 6610-00-606-8597
NSN 5965-01-627-7972
NSN 5998-00-075-5098
NSN 5930-01-050-5946
NSN 5950-01-445-8905
NSN 5920-00-507-5105
NSN 5905-01-648-1606
NSN 5990-00-594-7291
NSN 5855-00-451-6155