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 6320-00-456-0836
NSN 7035-00-064-7008
NSN 5999-00-525-4320
NSN 5950-01-145-3220
NSN 5935-01-400-1508
NSN 6650-01-308-2002
NSN 5965-01-350-1890
NSN 6130-01-407-7136
NSN 6130-01-290-8074
NSN 5935-01-602-7247
NSN 5935-00-849-5114
NSN 5985-00-070-7548