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 6610-01-284-3236
NSN 5930-01-607-0352
NSN 5835-00-155-1379
NSN 7035-01-294-2688
NSN 6320-01-176-8367
NSN 6135-01-396-0704
NSN 5965-01-520-6219
NSN 6130-01-524-5164
NSN 5945-01-155-5351
NSN 6610-01-433-2219
NSN 5996-01-379-4943
NSN 6645-00-089-8842