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 6320-00-593-0379
NSN 6150-00-972-8063
NSN 6130-01-105-4663
NSN 5855-01-263-6704
NSN 6240-01-053-0666
NSN 6145-00-734-4554
NSN 5835-00-327-6192
NSN 5960-01-322-4341
NSN 6130-00-350-3099
NSN 6110-01-630-9377
NSN 7035-00-868-2640
NSN 5975-01-341-7713