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 5996-00-472-9157
NSN 6105-01-381-7242
NSN 6240-01-204-0046
NSN 6220-01-267-3250
NSN 5999-00-406-5773
NSN 5950-00-601-5980
NSN 5905-01-365-4783
NSN 6620-00-897-3182
NSN 5855-01-466-1588
NSN 5935-01-209-6850
NSN 5895-00-993-0619
NSN 5990-00-532-2641