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 5960-00-594-0824
NSN 5950-01-495-0873
NSN 5950-01-010-1869
NSN 5835-01-439-0180
NSN 5895-00-728-3655
NSN 5985-00-753-1397
NSN 7035-01-242-6496
NSN 5975-01-524-8609
NSN 4140-00-215-8593
NSN 4140-00-865-3296
NSN 6650-00-287-5868
NSN 5895-01-554-5634