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 6320-01-445-5893
NSN 5945-01-510-3530
NSN 5998-01-365-2164
NSN 6645-00-936-9111
NSN 6320-01-564-0893
NSN 6685-01-188-7379
NSN 6685-01-333-8621
NSN 5925-01-596-7682
NSN 6320-00-894-1644
NSN 7035-00-312-3055
NSN 5950-01-564-1151
NSN 5835-01-034-2040