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 5895-01-191-3459
NSN 5990-01-478-8638
NSN 5945-00-035-8997
NSN 6240-00-155-5817
NSN 2925-00-737-6476
NSN 5920-01-442-3395
NSN 5925-00-902-3240
NSN 4140-01-144-5179
NSN 5925-00-620-3973
NSN 4140-00-398-8544
NSN 6610-01-069-1156
NSN 5990-01-126-5824