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 2925-00-155-2100
NSN 6135-00-474-1397
NSN 6220-01-457-8996
NSN 4140-01-604-9981
NSN 5990-00-079-0932
NSN 6105-00-166-6845
NSN 5925-01-493-2309
NSN 5998-00-679-4001
NSN 5975-00-146-7925
NSN 6130-01-393-4329
NSN 6610-01-250-2811
NSN 6650-01-103-7342