Flight safety critical
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 6610-01-599-4462
NSN 5920-00-470-2903
NSN 6150-01-290-8406
NSN 5960-00-283-9702
NSN 5945-01-398-0785
NSN 5960-01-291-0479
NSN 6620-01-506-1003
NSN 5990-01-303-6110
NSN 5998-01-134-9358
NSN 5925-01-017-8150
NSN 5999-01-136-3417
NSN 5996-00-137-6763