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 5975-01-323-3551
NSN 5990-01-178-6307
NSN 6130-01-324-5510
NSN 6685-01-146-2255
NSN 6240-01-161-1430
NSN 5920-00-149-1469
NSN 6145-00-265-6205
NSN 6620-01-552-2889
NSN 5895-00-107-7891
NSN 5925-01-369-1278
NSN 6130-01-461-8752
NSN 5920-00-573-7512