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 5990-01-485-0260
NSN 5905-01-260-0826
NSN 5930-01-384-2194
NSN 6320-01-220-2264
NSN 6620-01-343-1625
NSN 6220-01-119-6711
NSN 6610-00-888-6731
NSN 6650-00-609-4142
NSN 6220-00-539-0095
NSN 5998-00-969-4330
NSN 5950-00-189-0551
NSN 5910-01-645-8938