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 5960-00-600-1454
NSN 6110-00-503-6643
NSN 5855-00-832-9341
NSN 5975-00-231-5920
NSN 5950-00-497-6368
NSN 5915-01-233-7056
NSN 5950-01-528-6794
NSN 5945-01-116-3112
NSN 5905-01-384-2656
NSN 6645-01-342-0216
NSN 6130-00-816-6637
NSN 5945-01-383-2693