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 5950-01-076-5952
NSN 6135-01-525-2356
NSN 6620-01-189-8153
NSN 5985-00-268-1396
NSN 5895-00-455-0248
NSN 5985-01-250-8931
NSN 5999-01-462-2096
NSN 5990-01-097-4721
NSN 5965-00-518-0958
NSN 5999-01-557-1605
NSN 6645-01-563-9514
NSN 6685-01-247-7211