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 6110-01-573-6458
NSN 5996-01-017-6762
NSN 6320-01-101-5816
NSN 4140-01-623-6297
NSN 5910-01-236-9169
NSN 5895-01-419-5975
NSN 5835-01-464-7038
NSN 5895-01-176-9881
NSN 5920-00-554-0437
NSN 5990-01-437-4876
NSN 6650-01-413-8408
NSN 5930-00-461-9999