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 5895-01-529-8258
NSN 6105-01-373-1932
NSN 6650-01-150-2320
NSN 5996-00-482-6030
NSN 6650-01-236-5916
NSN 5935-01-197-8195
NSN 5965-00-045-3440
NSN 5960-01-136-5737
NSN 5930-01-536-9341
NSN 6135-01-438-6679
NSN 5935-00-861-2793
NSN 5950-01-168-8686