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 6105-01-608-7969
NSN 5985-01-546-8761
NSN 5930-00-978-7954
NSN 5965-01-078-6776
NSN 5895-01-215-2079
NSN 6220-01-087-5115
NSN 5975-00-477-0614
NSN 5835-01-532-9373
NSN 5930-00-187-2732
NSN 5895-00-595-6803
NSN 5905-00-067-6208
NSN 6145-01-051-7012