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 5855-01-437-6161
NSN 5945-01-068-4471
NSN 6130-00-117-3775
NSN 6135-01-441-0402
NSN 5895-00-078-9281
NSN 5835-01-319-4636
NSN 6135-01-090-5365
NSN 6135-00-726-4142
NSN 5975-00-106-0943
NSN 5925-01-244-6452
NSN 5999-00-991-9096
NSN 5925-00-275-7599