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 6105-01-437-0493
NSN 5990-00-878-4734
NSN 6130-01-206-4587
NSN 5950-01-212-1552
NSN 5990-01-631-9791
NSN 6105-00-856-8105
NSN 5960-01-319-0276
NSN 6150-01-357-7865
NSN 6685-01-555-4820
NSN 5915-01-437-4470
NSN 5905-01-362-1002
NSN 5999-01-657-7930