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 6130-00-596-9565
NSN 5990-01-324-7529
NSN 5915-00-237-2627
NSN 6320-00-456-2092
NSN 5998-01-544-8719
NSN 6150-00-661-0184
NSN 6240-01-423-1335
NSN 6645-00-960-6594
NSN 5950-01-507-2451
NSN 5930-01-160-8427
NSN 6320-00-456-0836
NSN 6110-01-189-9671