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 6645-01-475-8283
NSN 5855-01-142-7530
NSN 5999-00-113-9325
NSN 6320-01-029-4220
NSN 4140-01-529-5604
NSN 5895-01-451-6150
NSN 6650-00-279-5741
NSN 5960-01-364-9795
NSN 5925-01-355-2420
NSN 6610-00-292-9895
NSN 6320-01-352-5653
NSN 6685-00-269-4895