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 5945-00-038-7776
NSN 6620-00-106-9658
NSN 5855-00-361-0167
NSN 6150-01-348-2272
NSN 5945-01-140-5619
NSN 6110-01-047-3903
NSN 7035-01-249-4547
NSN 5999-01-145-6304
NSN 5965-01-378-7335
NSN 5910-01-518-8257
NSN 6610-01-569-6710
NSN 5975-01-394-1135