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 5965-00-485-9575
NSN 4140-01-658-5535
NSN 5935-01-261-9607
NSN 5998-01-241-0180
NSN 7035-01-476-7787
NSN 5895-00-323-0642
NSN 5935-01-406-3958
NSN 6620-00-833-6786
NSN 6650-01-444-1321
NSN 5855-01-430-3246
NSN 6620-01-369-3589
NSN 5855-00-014-5008