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 5996-01-380-5946
NSN 6150-00-758-0928
NSN 5996-01-150-7480
NSN 6240-01-074-6550
NSN 5935-01-338-9084
NSN 6685-01-508-8251
NSN 5915-00-672-6321
NSN 5996-01-435-5547
NSN 6145-00-403-2902
NSN 6220-01-104-5604
NSN 6110-01-214-5794
NSN 5960-01-098-1170