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 5855-01-278-8922
NSN 5990-01-123-4226
NSN 5855-00-149-0766
NSN 5996-01-582-1031
NSN 6130-01-500-1846
NSN 6220-01-499-8098
NSN 5835-00-170-5238
NSN 5945-00-810-9506
NSN 6685-00-187-8379
NSN 5910-01-374-3800
NSN 5996-01-533-6923
NSN 6110-01-122-5916