Fit depends on more than nominal slot widthMinimum opening width4.00 − 0.10 = 3.90 mmMaximum feature width3.40 mmAfter 0.15 mm relative offset(3.90 − 3.40)/2 − 0.15 = 0.10 mm³Ô¹Ïtv · Original engineering schematic · Illustrative, not to scale