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 6220-00-187-8569
NSN 5930-01-416-0385
NSN 6620-00-153-0982
NSN 5975-01-286-7534
NSN 5935-01-273-4125
NSN 6320-00-731-6134
NSN 5935-00-918-5238
NSN 6110-01-562-0995
NSN 6685-00-153-3914
NSN 6240-01-487-4386
NSN 5950-01-463-1929
NSN 5835-01-515-6537