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.
Classification: Check valves of steel
NSN 4140-01-265-0731
NSN 4140-01-551-1861
NSN 5999-01-125-3397
NSN 5920-01-430-5001
NSN 5895-01-359-5090
NSN 5945-01-264-9256
NSN 6240-01-394-1153
NSN 5960-00-990-6850
NSN 6135-01-589-9467
NSN 5945-01-367-2754
NSN 5996-01-645-9422
NSN 5905-00-546-8480