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 6685-00-563-7475
NSN 4140-00-983-4083
NSN 6135-01-386-5709
NSN 5915-01-451-5712
NSN 6130-01-449-7594
NSN 7035-01-256-9598
NSN 6145-01-304-2284
NSN 5895-00-465-3678
NSN 6110-00-636-1234
NSN 6105-01-355-4558
NSN 6240-00-635-9953
NSN 6610-01-049-2661