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 5895-01-353-6061
NSN 5965-00-938-2814
NSN 5999-00-962-7154
NSN 5920-00-285-2245
NSN 6610-01-425-6960
NSN 5975-00-871-9424
NSN 6650-00-344-9500
NSN 5920-00-655-4251
NSN 5996-01-512-6170
NSN 6105-01-250-5139
NSN 6685-00-242-0464
NSN 6145-01-634-0388