Lenovo ThinkPad T420s Hardware Maintenance Manual page 101

Step Screw (quantity)
1
M 2 × 9 mm, flat head, nylon-coated (1)
2
M2 × 3 mm, flat head, nylon-coated (1)
Step Screw (quantity)
4
M2 × 5 mm, big-head, nylon-coated (4)
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1
2
Torque
Color
Black 0.181 Nm
(1.85 kgf-cm)
Silver 0.181 Nm
(1.85 kgf-cm)
Color Torque
Black 0.181 Nm
(1.85 kgf-cm)
.
Chapter 8 Removing and replacing a FRU
95