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 6130-01-094-5599
NSN 6105-01-594-2251
NSN 5930-00-986-7744
NSN 6130-00-869-0758
NSN 6610-01-155-2976
NSN 7035-00-870-0290
NSN 6145-00-323-6021
NSN 6620-01-600-7483
NSN 6220-01-212-0891
NSN 7035-00-009-8705
NSN 6150-01-466-7528
NSN 5835-00-868-0848