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 5895-00-911-4136
NSN 5999-01-490-4309
NSN 5965-01-316-4429
NSN 6130-01-456-2088
NSN 5999-01-442-8740
NSN 5915-00-774-8418
NSN 5930-00-921-1160
NSN 5998-01-530-1438
NSN 5920-01-497-5768
NSN 5985-00-919-9294
NSN 5855-01-103-8650
NSN 5998-00-123-8148