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 5996-01-465-6463
NSN 5925-00-020-7920
NSN 5998-00-197-8821
NSN 5950-01-023-9900
NSN 4140-01-149-8354
NSN 5915-00-237-2627
NSN 5905-00-559-0259
NSN 5975-01-501-6987
NSN 6135-01-525-6979
NSN 4140-00-818-5734
NSN 5960-01-486-3060
NSN 2925-01-415-2140