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 5910-00-566-5809
NSN 5998-01-313-5544
NSN 5920-00-269-6178
NSN 5910-01-088-6848
NSN 5935-00-372-5261
NSN 7035-01-432-2424
NSN 5895-01-373-3814
NSN 6650-01-625-8688
NSN 5960-00-104-5955
NSN 6320-01-383-3257
NSN 6150-01-029-8649
NSN 5935-00-269-5516