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 6620-01-644-3496
NSN 2925-01-097-0903
NSN 6240-00-140-4184
NSN 5985-00-299-3510
NSN 5920-01-149-0642
NSN 6135-01-551-0562
NSN 5930-01-123-8304
NSN 6130-01-440-7591
NSN 5930-01-575-8947
NSN 5930-01-085-6257
NSN 6105-01-391-5390
NSN 5935-00-932-5241