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 5965-01-351-6977
NSN 6150-00-232-9524
NSN 5930-01-554-8455
NSN 6685-01-120-0572
NSN 6620-01-601-7491
NSN 5945-01-450-5553
NSN 5990-01-633-9503
NSN 5945-01-554-8608
NSN 6220-01-381-1793
NSN 5855-00-079-2370
NSN 6650-01-399-8552
NSN 6610-01-649-5326