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 5996-01-378-3748
NSN 6240-00-978-9752
NSN 5965-01-616-8262
NSN 6610-01-649-5326
NSN 5985-01-141-8684
NSN 6150-00-578-7225
NSN 6130-01-578-1992
NSN 5996-00-435-7767
NSN 5835-01-277-9327
NSN 5960-00-257-4203
NSN 6105-01-644-2044
NSN 5965-01-160-9819