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 6110-00-134-6541
NSN 6145-00-239-2143
NSN 5930-00-177-3316
NSN 6135-00-152-8729
NSN 6685-00-232-1274
NSN 5965-00-811-3793
NSN
NSN 5996-00-828-6532
NSN 5915-00-886-1155
NSN 6240-01-394-4212
NSN 5895-00-497-4903
NSN 5905-00-155-7018