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 5998-00-987-9875
NSN 5996-00-044-3254
NSN 5855-00-411-8688
NSN 5950-01-483-6849
NSN 5999-01-632-6513
NSN 6685-01-431-1454
NSN 5925-01-064-9884
NSN 5996-00-518-4880
NSN 5920-01-019-3685
NSN 6320-01-457-2805
NSN 5985-01-645-6790
NSN 5945-01-599-2395