Undrilled flanges
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 5855-01-335-8907
NSN 5925-00-103-1738
NSN 5960-01-276-7836
NSN 4140-01-184-9441
NSN 6110-01-476-9617
NSN 5920-00-054-3381
NSN 5975-00-232-1785
NSN 5990-01-082-3807
NSN 6220-01-358-7468
NSN 5935-01-591-9769
NSN 6105-00-191-0598
NSN 5985-00-201-7475