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 5960-01-362-3846
NSN 5990-00-087-6177
NSN 5996-01-158-8890
NSN 5925-00-016-3758
NSN 6685-01-144-6818
NSN 6610-01-100-3662
NSN 6650-00-226-7099
NSN 5950-01-579-4055
NSN 6105-01-254-7952
NSN 6650-00-629-8027
NSN 2925-01-360-3575
NSN 5930-00-732-0975