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 5910-01-291-9085
NSN 5905-01-175-3882
NSN 6110-01-394-0667
NSN 5990-01-512-9129
NSN 6320-01-498-4954
NSN 5915-01-037-7819
NSN 5895-01-415-7072
NSN 6130-00-194-6007
NSN 6135-01-268-7056
NSN 5895-00-960-0568
NSN 6110-01-481-3682
NSN 5895-00-218-6880