diff --git a/docs/bom/transimp.csv b/docs/bom/transimp.csv
index 5a4fe3a..dfa1623 100644
--- a/docs/bom/transimp.csv
+++ b/docs/bom/transimp.csv
@@ -18,7 +18,7 @@ Pin Header, 1822166, 3, No
 M3 screw 8 mm, 2494521, 4, No
 M3 spacing bolts female-male 8 mm, 1466795, 4, No
 M3 spacing bolts female-female 30 mm, 1466803, 4, No
-Washer M3, 2506017 , 1, No
+Washer M3, 1377496  , 1, No
 Raw PCB single-sided euro, 1267751, 1, No
 Raw PCB double-sided euro, 149058, 1, No
 MOSFET, 1831089, 10, No