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 6685-01-604-0263
NSN 6240-01-312-9158
NSN 6620-01-097-7078
NSN 5985-00-875-8060
NSN 5985-00-723-5235
NSN 6620-01-018-7469
NSN 5996-01-630-8108
NSN 5920-01-484-1842
NSN 5915-01-367-4614
NSN 2925-01-567-8027
NSN 5855-01-397-6300
NSN 5990-01-136-4068