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 6685-01-527-8596
NSN 5965-01-621-8547
NSN 6150-01-247-2591
NSN 5930-01-466-9973
NSN 6685-01-309-8360
NSN 5965-00-639-6621
NSN 6320-01-309-9595
NSN 5960-00-099-9790
NSN 5855-01-344-8688
NSN 6650-01-521-0902
NSN 5855-01-145-4903
NSN 5930-00-106-7369