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 4140-01-646-2495
NSN 5965-00-594-3115
NSN 5950-00-494-9024
NSN 5925-00-798-4737
NSN 5950-01-547-8630
NSN 2925-00-246-3077
NSN 4140-00-602-5973
NSN 5935-01-099-9552
NSN 5985-00-904-6266
NSN 5925-00-872-3028
NSN 6220-01-275-9688
NSN 5835-01-548-1143