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 5905-00-225-6883
NSN 5895-01-625-9394
NSN 5996-00-789-5233
NSN 5996-01-199-7494
NSN 5945-01-285-2431
NSN 6150-00-679-7066
NSN 5895-01-325-7978
NSN 6645-00-181-1877
NSN 5999-01-506-4537
NSN 5985-00-830-0887
NSN 6685-00-647-3883
NSN 5960-00-912-1114