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No markings {Graniteware}
Picture courtesy Elton Gish |
U-995: USA
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No markings {Graniteware}
Picture courtesy Elton Gish |
Note that this unusual insulator is a threaded power style with two inner skirts and more recent manufacture than the others here.
U number assignment by Elton Gish
4 1/4" X 4 1/4" (127mm X 104mm)
Return to the National Insulator US Unipart page