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 6610-00-010-9562
NSN 5895-01-259-6842
NSN 5920-01-200-0683
NSN 7035-01-607-5834
NSN 5925-01-244-6452
NSN 5965-00-303-9701
NSN 5855-00-301-1176
NSN 6135-00-683-0536
NSN 5855-01-596-3823
NSN 6320-00-394-8458
NSN 5920-01-142-1836
NSN 6650-01-421-8424