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 7035-00-235-3529
NSN 5925-00-972-3000
NSN 6650-00-854-0265
NSN 6145-01-144-1063
NSN 6685-00-794-6435
NSN 5990-00-003-4464
NSN 6220-00-884-0769
NSN 6620-01-072-9372
NSN 7035-01-607-0271
NSN 4140-01-615-7625
NSN 5998-00-205-2951
NSN 5990-01-185-2722