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 6105-00-684-6807
NSN 6150-00-555-9605
NSN 5985-00-905-7924
NSN 5905-01-314-0658
NSN 6610-01-053-0061
NSN 5895-00-642-9587
NSN 5990-00-031-8598
NSN 6650-01-171-4129
NSN 5915-00-284-5430
NSN 7035-00-760-5479
NSN 5925-01-579-3744
NSN 5965-01-428-3348