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 6620-01-510-3501
NSN 5996-00-413-0296
NSN 5999-01-436-4953
NSN 5905-01-562-4121
NSN 5965-01-614-0156
NSN 5925-01-458-8262
NSN 5950-01-648-2677
NSN 6130-01-602-9586
NSN 5895-01-629-9503
NSN 6220-01-431-7915
NSN 4140-00-565-0386
NSN 6685-00-176-3151