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 5835-01-359-2575
NSN 6685-01-592-6448
NSN 5920-00-242-2758
NSN 7035-00-490-0485
NSN 6135-01-368-2785
NSN 5905-01-109-0278
NSN 7035-00-523-7492
NSN 6320-01-569-2672
NSN 5998-00-483-6688
NSN 6645-01-400-2119
NSN 7035-01-310-2587
NSN 6650-01-359-5385