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 5930-00-395-4688
NSN 5990-01-527-7640
NSN 6685-00-352-8278
NSN 5950-01-266-1897
NSN 5999-00-349-5258
NSN 5855-00-310-2740
NSN 6145-00-617-2407
NSN 6105-01-481-5873
NSN 5985-01-571-8941
NSN 5975-01-511-7429
NSN 6135-00-789-2865
NSN 5960-00-410-3500