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 5975-01-286-7578
NSN 4140-00-361-4691
NSN 5935-00-253-4733
NSN 5985-00-213-4365
NSN 2925-00-278-9468
NSN 4140-00-913-1254
NSN 4140-00-288-9826
NSN 5915-01-496-4687
NSN 5945-00-242-7434
NSN 5910-01-123-5835
NSN 6105-01-517-5739
NSN 6150-01-005-3558