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 6145-01-387-4526
NSN 5998-01-016-2134
NSN 5895-01-056-4548
NSN 6145-00-459-4899
NSN 5915-00-999-9137
NSN 6685-00-252-3057
NSN 6240-01-289-7570
NSN 5915-00-989-9632
NSN 6685-01-483-1373
NSN 5985-00-148-6099
NSN 5895-00-855-1083
NSN 5910-00-494-9105