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 5998-01-363-9026
NSN 6105-01-647-2545
NSN 2925-01-327-3069
NSN 6685-00-372-4670
NSN 5930-01-484-8169
NSN 5920-00-149-0013
NSN 7035-01-378-5074
NSN 6150-00-943-8767
NSN 6240-01-649-6937
NSN 2925-01-364-7926
NSN 5915-01-096-0866
NSN 7035-01-042-5308