Lenovo ThinkPad T540p Hardware Maintenance Manual page 81

Step Screw (quantity)
3
M2 × 7 mm, flat-head, nylon-coated (2)
Removal steps of the NFC card
Color Torque
Silver 0.181 Nm
(1.85 kgf-cm)
.
Chapter 9 Removing or replacing a FRU
75