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 6145-01-551-9414
NSN 5895-00-891-9697
NSN 6105-00-594-8642
NSN 6240-00-467-7295
NSN 5855-00-610-4052
NSN 6110-01-320-8474
NSN 6620-00-236-2048
NSN 6240-01-063-7685
NSN 5925-01-608-1522
NSN 6320-01-160-8578
NSN 6610-00-886-3652
NSN 5920-01-559-9095