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 5925-01-029-3483
NSN 5910-01-633-9963
NSN 5996-01-480-7535
NSN 5835-01-336-1153
NSN 2925-01-586-9280
NSN 2925-00-278-9468
NSN 5855-00-821-7512
NSN 5985-00-202-1104
NSN 5925-00-255-2048
NSN 5990-01-326-2677
NSN 6240-01-187-6878
NSN 5985-01-357-7455