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 6135-01-350-2932
NSN 5975-01-499-3494
NSN 6650-01-388-3387
NSN 5999-01-198-2508
NSN 7035-01-321-1555
NSN 5985-01-067-3271
NSN 6130-00-431-6059
NSN 5990-01-489-0366
NSN 7035-01-640-9495
NSN 5990-01-465-9235
NSN 5965-01-233-2759
NSN 5915-01-131-2763