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.
NSN 6110-01-625-7786
NSN 5999-00-532-2468
NSN 5990-00-369-1058
NSN 5920-00-276-8657
NSN 5950-00-324-3193
NSN 6220-00-902-7328
NSN 6650-00-136-2262
NSN 5998-01-113-9728
NSN 6650-00-266-6808
NSN 6130-01-123-5773
NSN 5835-01-463-2334
NSN 6220-01-476-8889