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 5910-00-273-9210
NSN 5925-01-383-9603
NSN 5960-01-457-7432
NSN 5965-01-247-5696
NSN 6240-01-228-8731
NSN 5835-01-381-1824
NSN 6620-00-229-2728
NSN 7035-01-532-8077
NSN 6150-00-982-2066
NSN 5895-01-132-6373
NSN 5930-00-216-7511
NSN 5920-00-541-1119