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 5996-01-605-0950
NSN 6220-01-330-4425
NSN 6220-00-353-5730
NSN 6650-01-426-2729
NSN 6105-01-305-2734
NSN 5999-01-514-9694
NSN 5915-01-364-2251
NSN 6130-01-128-9358
NSN 6240-00-929-0585
NSN 5965-00-826-1841
NSN 6240-01-144-5898
NSN 6220-00-899-4273