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 5990-01-626-1249
NSN 6610-00-967-0428
NSN 4140-01-569-6113
NSN 5905-00-111-2214
NSN 5915-01-548-5856
NSN 5855-00-797-8217
NSN 5990-00-223-5938
NSN 5975-01-449-9145
NSN 5990-01-432-4984
NSN 5905-01-068-3379
NSN 5915-01-633-9845
NSN 5920-01-550-5868