U-972: USA
3 1/8" X 3 1/4" (79mm X 82mm)
No marking
Picture courtesy Doug MacGillvary
U number assignment by Elton Gish
Return to the National Insulator US Unipart page
3 1/8" X 3 1/4" (79mm X 82mm)
Return to the National Insulator US Unipart page