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 5985-01-634-0635
NSN 5935-01-357-7820
NSN 5910-00-151-5361
NSN 7035-01-336-0464
NSN 5910-01-398-6280
NSN 6145-01-062-6918
NSN 6135-01-653-6113
NSN 5965-01-507-4113
NSN 5835-01-399-5820
NSN 6650-01-423-1348
NSN 5920-01-265-1288
NSN 5998-00-707-5781