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 5930-00-058-6219
NSN 6130-01-430-5472
NSN 5920-00-230-9128
NSN 5935-01-306-2449
NSN 5960-01-124-8336
NSN 5910-01-108-3766
NSN 5998-01-553-7552
NSN 5935-01-255-3203
NSN 5998-00-868-8796
NSN 5985-01-604-9649
NSN 5996-01-321-0847
NSN 5965-00-247-4886