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 7035-01-632-9477
NSN 6645-00-051-4603
NSN 5930-00-927-3483
NSN 6610-01-125-5761
NSN 5975-00-285-0907
NSN 5965-01-043-9357
NSN 6240-01-100-7105
NSN 6320-01-582-6668
NSN 5895-00-643-3980
NSN 5915-01-188-4682
NSN 6135-01-364-2738
NSN 5835-01-332-2867