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 6620-01-447-1913
NSN 6610-01-441-1581
NSN 6220-01-424-7986
NSN 6610-00-613-7960
NSN 6650-00-406-2645
NSN 7035-00-252-7467
NSN 6135-00-134-6648
NSN 5998-01-492-5657
NSN 5965-01-451-2481
NSN 5920-01-063-4368
NSN 5915-00-833-9025
NSN 6145-00-118-8375