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 5985-01-259-4314
NSN 6240-01-368-6248
NSN 5855-01-144-4837
NSN 5945-00-984-1609
NSN 6130-00-993-0194
NSN 7035-01-432-2424
NSN 5905-00-654-2274
NSN 5905-00-500-8171
NSN 6620-00-684-6771
NSN 6130-01-371-5385
NSN 5925-00-784-0741
NSN 5905-01-231-1871