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 6110-01-289-4689
NSN 6320-00-583-3105
NSN 6145-01-167-1637
NSN 6320-01-315-6450
NSN 6130-01-140-7398
NSN 5855-01-156-0417
NSN 6620-01-578-6562
NSN 6220-00-232-4436
NSN 6130-00-246-6915
NSN 5960-00-960-6805
NSN 6110-01-470-6410
NSN 6105-01-377-2641