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 6620-00-170-5296
NSN 5855-01-468-4188
NSN 5960-01-049-4374
NSN 5915-01-559-8039
NSN 5945-01-435-8271
NSN 6320-00-456-0836
NSN 6150-01-602-9098
NSN 7035-01-520-6610
NSN 6130-01-581-6610
NSN 6135-01-442-7275
NSN 5905-01-649-1212
NSN 6220-01-142-2329