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 5950-00-689-8923
NSN 5990-00-140-4559
NSN 6685-01-369-6549
NSN 5910-01-581-0624
NSN 6320-00-004-9158
NSN 5905-01-614-4016
NSN 6240-01-392-2018
NSN 5930-01-464-4042
NSN 6145-00-050-1484
NSN 5945-01-050-2468
NSN 6145-01-477-6293
NSN 5895-00-980-1327