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 6145-01-107-7370
NSN 5930-01-090-5791
NSN 5930-01-520-4456
NSN 5998-01-126-3623
NSN 6145-01-604-9552
NSN 5905-00-472-0375
NSN 2925-00-595-7525
NSN 5915-01-272-4182
NSN 6130-01-627-6934
NSN 6130-00-310-2644
NSN 6645-00-089-8842
NSN 5999-01-398-7291