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 7035-01-160-4423
NSN 6610-01-120-7670
NSN 5895-01-504-9832
NSN 2925-00-880-4061
NSN 6145-00-936-0083
NSN 5895-01-449-8017
NSN 5855-01-049-3812
NSN 5996-01-367-6556
NSN 5999-01-472-7664
NSN 6150-00-596-8766
NSN 5996-00-561-9163
NSN 5915-00-244-1702