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 5855-01-195-2518
NSN 5975-01-542-9012
NSN 6220-01-425-1132
NSN 6105-00-988-2471
NSN 7035-01-399-5354
NSN 5985-00-236-4476
NSN 6110-01-416-9480
NSN 5915-01-025-5820
NSN 6320-00-845-3261
NSN 5998-01-435-4443
NSN 6240-01-213-9087
NSN 6620-01-581-8549