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 5998-01-152-1221
NSN 5930-01-592-3257
NSN 5996-00-323-8215
NSN 6110-00-998-4810
NSN 6645-00-646-6631
NSN 5920-00-329-8475
NSN 5910-01-105-8494
NSN 5999-01-151-5224
NSN 5920-00-628-7734
NSN 5965-00-079-0928
NSN 5950-01-016-2293
NSN 6645-00-763-1424