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.
Classification: Check valves of copper having a pressure rating of 850 kpa or over
NSN 5915-01-415-3100
NSN 5975-00-455-6300
NSN 5965-00-196-7320
NSN 5998-01-113-7747
NSN 5996-00-678-2254
NSN 6145-01-164-2380
NSN 5999-01-215-6080
NSN 5935-00-117-6345
NSN 6145-01-152-2417
NSN 5965-01-629-9131
NSN 6650-00-629-8027
NSN 5975-00-816-6119