Sthis item has been reviewed for asbestos material, the current approved sources, 11661 have indicated their part number contained asbestos prior to 1984, they continue to manufacture the same part number without asbestos material after 1984
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 6220-01-047-7325
NSN 5925-01-036-7937
NSN 5925-01-447-4153
NSN 4140-00-643-0115
NSN 5950-00-335-8287
NSN 5975-01-345-6512
NSN 5998-01-225-1701
NSN 5950-01-193-1009
NSN 6110-00-456-2058
NSN 5920-01-577-7553
NSN 6685-00-902-6773
NSN 5930-00-459-5532