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 5905-01-443-2407
NSN 6130-00-089-9212
NSN 5960-01-094-7569
NSN 5855-01-650-2861
NSN 6105-00-987-7935
NSN 5975-01-525-2371
NSN 6105-01-391-2042
NSN 6135-01-518-9813
NSN 2925-01-297-2315
NSN 6650-00-074-2445
NSN 5915-01-336-9953
NSN 5930-01-503-9811