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 5855-00-149-0766
NSN 6320-01-585-8468
NSN 5855-01-042-7990
NSN 5915-01-160-2397
NSN 6135-00-235-1938
NSN 5935-00-481-8290
NSN 6645-01-354-7624
NSN 7035-01-045-7202
NSN 5905-01-525-7734
NSN 6610-01-361-8965
NSN 6645-01-245-8390
NSN 5985-00-883-3308