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 5905-01-352-3293
NSN 5999-00-698-7103
NSN 6240-01-148-7121
NSN 6320-01-123-6814
NSN 6105-01-556-2317
NSN 6220-01-222-9554
NSN 5965-00-417-8182
NSN 2925-01-011-8732
NSN 6240-00-456-6238
NSN 5998-01-141-7486
NSN 5975-01-477-7237
NSN 6220-01-440-9763