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 6130-01-112-0158
NSN 5996-00-925-8402
NSN 5930-00-054-6463
NSN 6105-00-686-5995
NSN 6685-00-136-3151
NSN 6145-01-354-4753
NSN 5930-01-514-1076
NSN 5960-01-406-4136
NSN 5990-01-013-8464
NSN 6220-01-485-1001
NSN 6320-01-449-1014
NSN 5925-01-618-1529