M2.5 × 4.5 Mm, Flat-Head, Nylon-Coated; Silver - Lenovo ThinkPad L590 Hardware Maintenance Manual

Step Screw (quantity)
1
M2.5 × 4.5 mm, flat-head, nylon-coated (3)
98
L490 and L590 Hardware Maintenance Manual
Color Torque

Silver

0.294 Nm
(3.0 kgf-cm)