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 5985-00-892-3862
NSN 5950-01-290-3829
NSN 2925-01-067-4446
NSN 5920-00-839-8096
NSN 6620-00-757-5299
NSN 5910-01-126-2932
NSN 6240-00-863-6105
NSN 5895-00-435-7290
NSN 5895-01-650-1776
NSN 5920-00-902-6827
NSN 5915-01-341-8473
NSN 5998-01-648-2656