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 6130-00-764-0757
NSN 6610-00-873-6461
NSN 6650-01-440-5947
NSN 5998-01-092-0036
NSN 5895-01-645-8574
NSN 7035-01-391-9858
NSN 6240-00-451-8587
NSN 6105-01-608-3974
NSN 5998-01-206-2602
NSN 6105-01-014-6104
NSN 5945-00-740-8238
NSN 6130-00-615-9250