Lenovo THINKPAD T41/T41P Hardware Maintenance Manual page 131

Step Screw (quantity)
4
M2 × 10 mm, flat-head,
nylon-coated (3)
(continued)
ThinkPad T40/T40p, T41/T41p, T42/T42p Series
Removing and replacing a FRU
4
Color Torque
Black 0.245 Nm
(2.5 kgfcm)
4
125