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 6650-00-382-6080
NSN 5915-01-545-4759
NSN 6645-00-629-9367
NSN 7035-01-592-2562
NSN 6105-01-545-5090
NSN 6650-01-573-7165
NSN 5975-01-141-6889
NSN 5910-00-409-6036
NSN 6105-00-707-7498
NSN 5950-01-509-2250
NSN 5915-00-175-4028
NSN 4140-00-067-4798