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 6105-01-626-5359
NSN 5950-01-236-0226
NSN 6240-01-407-8408
NSN 5950-01-410-2751
NSN 5835-00-694-8592
NSN 6240-00-897-1209
NSN 6610-01-545-5199
NSN 5895-01-614-7175
NSN 5965-01-511-1997
NSN 6240-00-446-7796
NSN 5935-01-495-5454
NSN 6105-01-648-5790