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 5930-01-231-2518
NSN 6610-01-495-7122
NSN 7035-00-104-7613
NSN 7035-00-541-8516
NSN 5915-01-188-6748
NSN 6650-01-353-9299
NSN 5910-01-276-0604
NSN 6240-01-235-2604
NSN 5996-01-453-9478
NSN 6320-01-563-8525
NSN 6240-01-561-1208
NSN 5985-01-212-2950