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 6240-01-497-7901
NSN 5945-00-661-0506
NSN 5965-00-057-6944
NSN 5920-01-197-5097
NSN 5930-00-546-1992
NSN 5975-01-364-7799
NSN 5895-01-015-8593
NSN 6685-00-527-6545
NSN 6645-01-158-3592
NSN 6240-01-214-9458
NSN 6610-00-148-2922
NSN 5930-01-605-3328