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 5975-00-740-8367
NSN 5945-01-530-0346
NSN 5960-01-381-2478
NSN 5996-00-254-2147
NSN 4140-01-631-1237
NSN 5905-01-079-3611
NSN 6620-00-075-6667
NSN 6130-00-111-1320
NSN 5895-00-286-3788
NSN 6105-01-155-6962
NSN 6320-01-600-5808
NSN 5935-01-362-7001