3 1/4" X 3 1/2" (82mm X 90mm)
No markings
Picture courtesy Jim Frustieri |
U-308: USA
3 1/4" X 3 1/2" (82mm X 90mm)
No markings
Picture courtesy Jim Frustieri |
U number assignment by Jack Tod. Note this insulator has an extended inner skirt not seen in the photo.
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