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 5950-01-605-2823
NSN 6620-01-596-3642
NSN 4140-00-113-1279
NSN 5930-01-435-7519
NSN 6135-01-159-3032
NSN 5915-01-099-1018
NSN 6105-01-420-6833
NSN 6645-01-437-9017
NSN 5855-01-286-9928
NSN 5905-01-152-2580
NSN 6105-00-022-3333
NSN 6620-00-218-4959