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 6685-01-108-1719
NSN 5920-01-468-0186
NSN 6610-01-448-8904
NSN 6620-01-048-4145
NSN 5935-01-463-2807
NSN 6620-01-575-9561
NSN 5920-01-493-5567
NSN 6105-01-106-3221
NSN 5996-01-485-0305
NSN 6240-01-156-8428
NSN 6145-01-058-7193
NSN 6105-01-254-8433