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 5985-00-752-0632
NSN 6685-00-728-2397
NSN 7035-01-190-7332
NSN 5950-01-303-3087
NSN 6130-00-967-0475
NSN 5990-01-633-9503
NSN 6135-01-590-8320
NSN 6105-01-090-0661
NSN 5998-01-413-0691
NSN 6645-00-372-2618
NSN 6150-00-186-7809
NSN 5905-01-485-3632