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 6645-00-825-5677
NSN 5998-00-916-7398
NSN 5835-01-457-7951
NSN 5835-01-140-9306
NSN 5985-00-201-8779
NSN 5915-00-410-4164
NSN 7035-01-256-1440
NSN 5998-00-092-8678
NSN 5855-01-482-8290
NSN 5920-00-867-6490
NSN 5855-01-020-7982
NSN 6130-00-528-7838