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 6650-01-096-6803
NSN 6130-00-490-2973
NSN 5975-01-537-2296
NSN 7035-00-185-8683
NSN 6105-00-565-9450
NSN 5975-01-582-6153
NSN 5945-00-511-9589
NSN 5998-01-424-8943
NSN 5950-01-383-5947
NSN 5910-00-218-1114
NSN 6240-01-420-4246
NSN 6150-01-512-8219