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 6650-00-532-8125
NSN 5905-00-109-2866
NSN 5996-01-438-6544
NSN 6650-00-185-3133
NSN 6645-01-163-8002
NSN 5945-01-501-5487
NSN 5930-00-951-5421
NSN 5965-01-582-2182
NSN 5895-01-429-9305
NSN 2925-01-658-9457
NSN 5975-01-200-6048
NSN 6240-00-810-3774