National 5203 Transmission Extension Housing Seal Kit

Factory replacement extension housing oil seal kit by National, MPN 5203. Kit contains a 7300s oil seal and an RP661 bushing. Seal material is nitrile with a counter-clockwise spiral lip design. Dimensions: shaft 1.685 in (42.80 mm), housing bore 2.500 in (63.50 mm), outside diameter 2.506 in (63.65 mm), flanged outside diameter 2.850 in (72.39 mm), overall width with side lip 1.250 in (31.75 mm), width 0.421 in (10.693 mm). Series 5200.