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 5945-01-140-0896
NSN 6620-01-504-1827
NSN 5925-00-718-7530
NSN 5985-00-176-1499
NSN 6620-01-437-3146
NSN 5915-01-408-5821
NSN 5930-01-501-6211
NSN 7035-00-126-1899
NSN 5950-00-699-9274
NSN 7035-01-364-8454
NSN 6645-00-732-7789
NSN 5935-00-646-7358