M939 M915 M916 5T 5 Ton Driveshaft Dust Seal. Meritor part number SE-RUR-40-3. NSN 2520-01-083-4404. SPECS: AARX Inside Diameter 3.730 inches nominal ABKV Outside Diameter 3.940 inches nominal ADCQ Plain Hole Diameter 2.430 inches nominal AGAV END Item Identification 2320-01-050-2084 FEAT Special Features Gripping surface condition-corrugated;matl thl 0.100 in. MATT Material Rubber and steel STYL Style Designator Push fit L2C12 14051