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 2925-01-113-6904
NSN 5920-00-303-5290
NSN 6220-00-209-9630
NSN 6150-00-115-6649
NSN 6620-01-231-9731
NSN 6220-01-530-8293
NSN 5990-01-455-2919
NSN 5935-00-327-0233
NSN 5975-01-440-6989
NSN 2925-01-157-9204
NSN 6220-00-763-4131
NSN 5999-01-515-4753