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 5990-01-476-0722
NSN 5950-01-391-7783
NSN 6130-01-271-3505
NSN 6645-00-171-9639
NSN 5925-01-340-7420
NSN 5835-01-041-8104
NSN 6150-00-052-6559
NSN 6220-00-192-1164
NSN 5975-00-940-3300
NSN 6320-00-845-3261
NSN 6150-01-169-6991
NSN 6610-01-053-6781