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 6220-01-498-2800
NSN 5999-01-067-4958
NSN 5925-01-543-5792
NSN 6240-01-312-1237
NSN 6645-01-275-2683
NSN 5975-01-634-0678
NSN 5925-00-383-9707
NSN 5950-00-079-2254
NSN 6240-01-246-4258
NSN 6320-00-468-8421
NSN 5925-01-645-4119
NSN 5998-00-695-4920