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 6135-00-500-2082
NSN 5998-01-260-8722
NSN 6620-01-462-0001
NSN 6685-00-982-1960
NSN 5925-01-465-0214
NSN 5835-01-079-9533
NSN 6320-01-366-5157
NSN 5935-00-338-2906
NSN 6620-00-199-8734
NSN 6110-01-659-7554
NSN 5998-01-352-5854
NSN 5855-01-492-6913