Lenovo ThinkPad T420 Hardware Maintenance Manual - Page 168

Miscellaneous parts Table 12. Parts list-Miscellaneous parts FRU Screw and seal kit: • M2 × 3 mm, black (50) • M2 × 5 mm, black (20) • M2 × 8 mm, black (15) • M2 × 10 mm, Silver (4) • M2 × 15 mm, black (8) • M2.5 × 4 mm, black (8) • M2.5 × 6 mm, black (8) • M2 (shoulder), black (4) • Hex stud, Silver (4) • Tape 10 x 20 mm (10) • Tape 10 x 25 mm (5) • DDR3 tape (5) Base miscellaneous parts: • Foot rubber - front left • Foot rubber - front right • Foot rubber - rear • Bottom shield • Insulation sheet - CPU • Insulation sheet - system board • Insulation sheet - touchpad • Insulation sheet - battery connector • Lens, LED (RJ-45) • Knob, wireless switch • Lever, wireless switch • ODD lock button • ODD eject spring • ODD eject button • ODD eject brecket • Dust filter 1 • Dust filter 2 • Dust filter 3 • Dust filter 4 • Dust filter 5 • ODD stop rubber • Sponge L43W4H5 • Sponge L15W4H5 • Sponge L110W4H5 • Sponge L85W3H3 • Sponge L26W4H1 Keyboard bezel miscellaneous parts: • Magnet - suspend switch • Bracket - touchpad • Bracket - right speaker • Bracket - left speaker • Bracket - left speaker EMI spring • Bracket - FPR EMI • Speaker mesh • Face sheet - touchpad • ThinkPad logo • Bracket - touchpad button • Bracket - FPR • Insulation sheet - touchpad 162 ThinkPad T420 and T420i Hardware Maintenance Manual FRU no. 04W1605 CRU ID N 04W1602 N 04W1603 N