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 6220-01-462-2792
NSN 6105-00-815-0184
NSN 5920-01-304-7587
NSN 5965-01-024-7960
NSN 6685-01-062-1430
NSN 6150-01-233-7259
NSN 5960-01-382-8772
NSN 5905-00-206-1943
NSN 6130-01-479-1677
NSN 5945-00-334-8980
NSN 6110-01-381-4809
NSN 2925-01-371-6853