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 6130-01-106-3649
NSN 5975-00-285-8003
NSN 5910-01-472-1667
NSN 5855-01-519-2486
NSN 5835-01-462-5983
NSN 6110-01-224-6954
NSN 6240-01-640-7265
NSN 6220-01-170-5335
NSN 5950-00-857-2419
NSN 5930-01-287-9744
NSN 5935-01-112-8755
NSN 6135-01-151-2705