TM 9-2520-246-34 Figure 4-50. Repair and Replacement Standard Points of Measurement for Transfer Case and Seals. Table 4-8. Repair and Replacement Standard Points of Measurement for Transfer Case and Seals. Fig. Ref Point of Measurement Size and Fit No. Letter Wear Limits of New Parts 4-50 G Cover bore 3.3465-3.3485 3.3495 4-50 C Oil seal outside diameter 3.3524-3.3563 (*) 4-50 C-G Fit of seal in bore 0.0038T-0.0098T 0.0025T 4-50 A Cover bore 3.3465-3.3485 3.3495 4-50 C Oil seal outside diameter 3.3524-3.3563 (*) 4-50 C-A Fit of seal in bore 0.0038T-0.0098T 0.0025T 4-50 F Case bore 3.3465-3.3485 3.3495 4-50 C Oil seal outside diameter 3.3524-3.3563 (*) 4-50 C-F Fit of seal in bore 0.0038T-0.0098T 0.0025T 4-50 D Cover bore 1.4961-1.4971 1.4985 4-50 E Oil seal outside diameter 1.5000-1.5039 (*) 4-50 E-D Fit of seal in bore 0.0024T-0.0078T 0.0015T 4-50 A Cover bore 0.7510-0.7530 0.7530 4-50 B Dowel pin outside diameter 0.7500-0.7510 (*) 4-50 B-A Fit of pin in bore 0.0000T-0.0020L 0.0025L 4-50 H Deflector inside diameter 2.3956-2.3996 (*) 4-50 J Flange outside diameter 2.4016-2.4056 2.4010 4-50 H -J Fit of deflector on flange 0.0020T-0.0100T 0.0010T 4-37 (4-38 blank)