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 5895-01-226-9308
NSN 6105-01-202-8878
NSN 6320-00-116-3658
NSN 5950-01-296-9152
NSN 6685-01-257-7223
NSN 6650-01-323-6252
NSN 5855-01-542-9059
NSN 6110-00-969-7065
NSN 6130-01-297-0711
NSN 2925-01-516-5113
NSN 5915-01-623-9638
NSN 5945-01-290-4370