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 6685-00-521-3284
NSN 6685-01-381-0759
NSN 7035-01-141-8076
NSN 2925-00-862-8550
NSN 5975-00-314-1667
NSN 6105-01-609-5870
NSN 6320-01-262-8642
NSN 5915-00-532-7023
NSN 6650-01-145-9570
NSN 5910-01-274-6886
NSN 5925-00-952-5824
NSN 5935-00-225-8689