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 6105-01-452-5274
NSN 5965-00-963-1796
NSN 6135-01-354-5535
NSN 2925-01-633-4048
NSN 5855-01-384-3314
NSN 5960-01-481-3722
NSN 5930-00-136-1917
NSN 5930-00-889-4296
NSN 5999-00-761-3638
NSN 5915-01-072-2338
NSN 5996-00-213-7121
NSN 5895-00-980-2432