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 7035-01-641-5298
NSN 6320-00-218-6105
NSN 6135-01-361-3886
NSN 5999-01-429-3426
NSN 5895-01-154-9816
NSN 5920-00-593-5121
NSN 5996-01-566-0344
NSN 6130-00-255-5566
NSN 5855-00-797-8217
NSN 5895-00-772-5947
NSN 6130-00-323-8300
NSN 5835-01-466-5496