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 5915-00-189-0773
NSN 5855-01-474-8904
NSN 2925-01-139-7106
NSN 4140-00-088-4724
NSN 5990-01-626-3840
NSN 5960-01-319-6735
NSN 6650-01-621-0636
NSN 5910-01-501-6192
NSN 7035-00-437-7950
NSN 5935-01-044-5741
NSN 5965-01-351-4615
NSN 5960-01-144-0354