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 6685-01-006-1851
NSN 5930-01-012-9432
NSN 5996-01-453-7687
NSN 6135-00-906-0984
NSN 5920-01-215-4741
NSN 5975-01-217-3421
NSN 5920-01-631-7684
NSN 5920-00-816-7535
NSN 6150-01-233-2510
NSN 5855-01-415-3987
NSN 5975-01-453-2070
NSN 5985-01-121-3170