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 5835-00-911-2340
NSN 5945-01-226-4649
NSN 5998-01-264-5027
NSN 6610-00-225-5857
NSN 5925-01-429-7699
NSN 6320-00-908-6841
NSN 6150-01-524-0390
NSN 6130-01-475-3940
NSN 5905-00-661-2395
NSN 5950-00-200-1110
NSN 6150-01-539-0610
NSN 5998-01-078-5030