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 6145-01-090-9678
NSN 6135-00-175-7132
NSN 6620-00-613-3023
NSN 6620-01-068-4498
NSN 5930-01-288-3021
NSN 5975-00-278-7437
NSN 6685-01-643-5753
NSN 6130-01-259-5251
NSN 5990-01-380-7815
NSN 5999-01-206-5852
NSN 6685-01-281-6851
NSN 6620-00-555-3992