Complies with mss sp-80; o/a lg 3.280 in.
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 5895-00-255-7784
NSN 5925-01-254-2578
NSN 5835-01-259-0859
NSN 5925-01-411-3048
NSN 5950-01-350-8713
NSN 5945-00-410-9775
NSN 5950-00-761-4684
NSN 6320-00-701-0437
NSN 6150-01-146-1553
NSN 5950-01-098-8634
NSN 5855-01-451-2992
NSN 6685-00-276-7551