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 5925-01-178-8962
NSN 5960-01-283-7129
NSN 5910-00-845-7150
NSN 5985-01-610-2961
NSN 5925-00-160-4747
NSN 6620-01-067-8336
NSN 6650-01-528-2848
NSN 6220-01-406-9048
NSN 6685-01-487-6001
NSN 5998-01-570-2881
NSN 4140-00-510-0325
NSN 5910-01-380-0379