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 5915-01-596-1712
NSN 5895-00-877-9779
NSN 6135-00-209-6918
NSN 6650-01-361-9336
NSN 5925-01-432-8431
NSN 5935-01-172-4996
NSN 6150-00-820-6425
NSN 5910-01-383-6749
NSN 6320-00-393-0138
NSN 5905-01-568-1735
NSN 4140-00-916-2771
NSN 5996-00-625-3738