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 6650-01-435-2994
NSN 5945-01-514-0429
NSN 5996-01-372-6608
NSN 5905-00-584-6617
NSN 6685-01-048-4681
NSN 5950-00-823-1229
NSN 5925-00-789-3718
NSN 5930-01-212-6357
NSN 5999-01-348-1216
NSN 5905-01-171-0531
NSN 5965-01-202-1007
NSN 6685-01-384-3062