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 steel
NSN 5985-00-650-0504
NSN 5915-01-081-7102
NSN 5905-00-539-9706
NSN 6150-00-707-8804
NSN 5920-01-326-7806
NSN 5905-00-856-0958
NSN 5998-01-507-2402
NSN 5915-01-466-1624
NSN 5965-00-671-4119
NSN 7035-00-275-5604
NSN 5905-01-534-4955
NSN 6620-00-010-8190