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 6650-01-442-7893
NSN 5920-00-922-8493
NSN 6650-00-269-5000
NSN 7035-01-428-2336
NSN 6650-01-290-4001
NSN 5920-00-969-9279
NSN 5975-00-012-4376
NSN 6105-00-344-8170
NSN 6620-01-380-4882
NSN 5965-01-360-6568
NSN 6145-00-257-1080
NSN 5950-01-584-7656