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 6150-01-128-5596
NSN 5920-00-296-9869
NSN 6610-01-077-0601
NSN 6105-01-228-4479
NSN 5999-00-878-8995
NSN 6135-01-646-5986
NSN 5935-01-384-3835
NSN 6685-01-478-4644
NSN 6145-01-443-5186
NSN 5996-00-558-6491
NSN 6610-00-083-6509
NSN 5930-01-354-2592