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 5990-00-406-4991
NSN 5999-01-634-0576
NSN 5930-00-770-0498
NSN 5925-01-129-4135
NSN 5920-00-861-6091
NSN 5915-00-406-3959
NSN 6320-01-386-3491
NSN 6220-00-223-7445
NSN 5905-01-511-5435
NSN 6150-00-735-5930
NSN 5895-00-197-7188
NSN 5835-01-468-0579