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 6150-00-100-4373
NSN 5999-00-006-2954
NSN 5999-01-457-9454
NSN 6650-00-782-4624
NSN 5998-00-839-3177
NSN 5905-01-356-5688
NSN 5855-00-167-7893
NSN 6650-01-396-5352
NSN 5915-00-278-5561
NSN 5935-00-892-3059
NSN 6685-01-634-0611
NSN 6145-01-113-8205