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 5835-00-537-7780
NSN 6150-01-432-3591
NSN 6150-01-393-2674
NSN 5915-00-270-3764
NSN 5895-01-513-9260
NSN 5855-00-532-0025
NSN 6105-01-206-4073
NSN 5915-01-399-4438
NSN 5960-01-289-5272
NSN 6240-01-157-9128
NSN 5999-01-033-0682
NSN 6105-01-021-4016