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 5990-00-956-9130
NSN 5910-01-571-5685
NSN 5996-01-067-8716
NSN 6150-00-900-4984
NSN 5910-01-370-9176
NSN 5990-01-267-6971
NSN 5855-01-601-5024
NSN 6620-00-988-9170
NSN 6135-00-826-4798
NSN 5965-01-073-6047
NSN 5985-00-057-3497
NSN 5930-00-038-3432