|
4 5/8" X 4 3/8" (117mm X 110mm)
No Markings
Picture courtesy Russ Firth |
U-2921: United Kingdom
|
4 5/8" X 4 3/8" (117mm X 110mm)
No Markings
Picture courtesy Russ Firth |
Note this is a two part insulator with the base being an oil cup designed to increase the insulation value when filled with insulating oil.
U number assignment by Bob Berry July 2018.
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