Part Number 222-503 - A New Original 1/2 Tube Nut For 5/16 Line On A Farmall M, MD, MDV, MV, Super M, Super M-TA Tractors, IH B275, 276, 354, 364, 384, 434, 444, 684, 2300, 2350A, Hydro 84 Tractors, CaseIH Industrial 248 Tractors, CaseIH 395, 495, 585, 695, 885, 895 Tractors, Case 500 Crawler Tractors, Case 380B Loader Tractors. Old Part Numbers Are 29899D, 700155R11, 700153R11, 58362DBX.