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 6645-01-429-6768
NSN 5935-01-656-3694
NSN 5985-01-598-0829
NSN 5935-01-254-6772
NSN 6610-01-384-1484
NSN 6620-01-576-7723
NSN 7035-00-574-4223
NSN 5945-01-564-1703
NSN 5835-00-253-3453
NSN 6685-00-828-0411
NSN 5960-01-495-0859
NSN 5975-00-732-7911