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 5960-00-506-1295
NSN 5835-00-113-6090
NSN 5895-01-478-3727
NSN 5855-00-688-9954
NSN 5985-00-316-5083
NSN 5950-01-388-2847
NSN 5935-00-455-0084
NSN 5935-00-216-7435
NSN 5965-01-535-0718
NSN 6150-01-058-1014
NSN 6240-01-224-6941
NSN 5920-01-451-5175