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 5935-00-285-2767
NSN 6135-00-112-8637
NSN 5855-00-466-2309
NSN 6685-00-874-7240
NSN 5999-01-540-3745
NSN 6150-01-613-7363
NSN 6240-01-523-4241
NSN 5960-00-617-9312
NSN 5835-01-432-1277
NSN 5975-01-626-1631
NSN 6685-01-360-6765
NSN 5945-01-533-4780