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 6220-01-100-2703
NSN 6135-00-660-8654
NSN 5930-01-646-8351
NSN 6130-00-191-2923
NSN 5895-01-283-0952
NSN 6685-01-065-8722
NSN 5855-00-688-9954
NSN 6320-00-228-5678
NSN 5915-01-547-8971
NSN 5935-01-087-5888
NSN 5998-01-477-5551
NSN 5950-00-737-5768