Valve size is 4 in.
No other part numbers with same form, fit, and function found.
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.
NSN 6105-01-350-9691
NSN 6135-01-370-2599
NSN 5905-00-880-4927
NSN 5960-01-104-7839
NSN 6110-00-231-9493
NSN 6220-00-888-2224
NSN 5945-00-338-3733
NSN 6645-01-010-3746
NSN 5990-01-291-8453
NSN 4140-00-849-2930
NSN 5960-01-593-4760
NSN 5996-01-645-4831