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 5960-01-513-3230
NSN 5905-01-340-1088
NSN 6685-01-502-4273
NSN 6150-01-607-6717
NSN 5950-01-616-0025
NSN 6610-01-346-8241
NSN 6645-01-245-4341
NSN 5895-01-563-1797
NSN 6110-00-699-1495
NSN 6240-01-420-6495
NSN 5965-01-440-9039
NSN 7035-01-328-3344