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 6105-00-909-3847
NSN 5920-01-622-7558
NSN 5945-01-600-3469
NSN 6685-00-131-2200
NSN 6145-01-632-0742
NSN 6620-01-284-4109
NSN 6110-01-364-0966
NSN 5895-01-053-0167
NSN 5895-01-121-3169
NSN 6150-01-606-8911
NSN 6145-01-163-0664
NSN 6645-01-060-3627