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 5935-01-489-6183
NSN 6650-00-862-7143
NSN 5915-01-081-7102
NSN 5835-00-529-6307
NSN 6145-01-107-7365
NSN 6145-01-259-4530
NSN 6135-00-134-6648
NSN 5999-01-585-6038
NSN 5925-01-415-9358
NSN 2925-00-816-8765
NSN 5895-00-802-1575
NSN 6130-01-521-3440