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 7035-01-146-7096
NSN 5835-01-339-0542
NSN 6110-01-320-4818
NSN 5985-00-100-1296
NSN 6610-01-316-3547
NSN 5960-01-380-0885
NSN 6220-01-025-8551
NSN 6650-01-588-4687
NSN 5996-01-076-7374
NSN 6130-00-587-7062
NSN 6105-01-382-8099
NSN 5855-01-432-0524