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 5835-01-286-6499
NSN 5835-01-320-8306
NSN 6610-00-430-5208
NSN 5835-00-337-7801
NSN 6130-00-448-2911
NSN 6130-01-140-1778
NSN 6240-01-350-7753
NSN 5920-01-399-1801
NSN 6150-01-013-0998
NSN 5996-01-445-5528
NSN 5975-01-608-3696
NSN 6620-01-254-7963