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 5855-01-272-3660
NSN 5950-01-508-4244
NSN 6150-01-226-6023
NSN 5985-01-069-1940
NSN 5895-01-086-8056
NSN 5935-01-608-2777
NSN 5960-01-560-8461
NSN 5910-01-087-1183
NSN 6645-01-435-8356
NSN 7035-00-166-0339
NSN 5930-01-128-9055
NSN 6645-01-063-8243