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 5998-00-920-9734
NSN 6110-00-547-2694
NSN 5996-00-172-2810
NSN 5985-01-584-1501
NSN 6220-01-355-8082
NSN 6620-01-379-3300
NSN 6105-00-722-6716
NSN 6650-01-096-6803
NSN 5950-00-556-1068
NSN 6110-00-269-2696
NSN 5960-01-285-6521
NSN 5915-00-343-6814