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 5945-01-267-0815
NSN 5855-00-610-4052
NSN 6145-01-280-4458
NSN 6620-01-645-0802
NSN 5910-00-515-3586
NSN 6610-00-150-7002
NSN 5915-01-560-1012
NSN 5925-01-273-2973
NSN 6135-01-022-5427
NSN 5999-00-296-8870
NSN 6145-01-362-0671
NSN 5960-01-310-3863