Orifice diameter 0.593 in.; lg 2.946 in.
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 5930-01-444-7332
NSN 5965-01-408-7570
NSN 5925-00-345-7746
NSN 5975-01-406-3395
NSN 6610-01-335-3185
NSN 5920-01-139-0100
NSN 5855-01-083-9053
NSN 6150-01-412-3704
NSN 6145-01-535-7062
NSN 5920-00-199-4019
NSN 5960-01-628-2760
NSN 6320-01-583-6809