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 6220-01-190-6906
NSN 6220-01-660-5118
NSN 6650-01-357-0785
NSN 6135-01-351-1131
NSN 5985-01-259-5694
NSN 6130-01-651-3211
NSN 6620-00-814-4770
NSN 6685-01-154-6684
NSN 6105-01-018-3677
NSN 5945-01-078-5877
NSN 5965-01-360-0454
NSN 4140-00-322-9987