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 6220-00-878-6948
NSN 5950-01-487-3750
NSN 6130-01-236-2166
NSN 5950-01-108-7218
NSN 6220-01-400-0637
NSN 5920-01-388-0103
NSN 5930-00-451-2260
NSN 5835-01-218-5560
NSN 6145-01-256-4568
NSN 5950-01-244-3550
NSN 5960-01-632-6576
NSN 5996-00-763-6245