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 6135-00-062-5080
NSN 6685-01-544-6067
NSN 5965-01-315-5764
NSN 5930-01-291-4229
NSN 5990-01-411-5930
NSN 7035-01-056-5350
NSN 6130-00-255-4196
NSN 6320-01-592-4567
NSN 5930-00-674-1652
NSN 6645-01-016-7706
NSN 6110-01-411-6000
NSN 5996-00-816-9320