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 6150-01-209-3307
NSN 5835-00-187-1481
NSN 5910-01-463-9061
NSN 5910-01-438-4952
NSN 5910-00-866-9308
NSN 6105-01-179-6563
NSN 6240-01-085-3403
NSN 6145-01-302-9975
NSN 5935-01-310-6155
NSN 5985-00-222-6066
NSN 5855-00-482-9876
NSN 5996-01-580-8561