U-2016: United States

2 1/2" X 4 1/4" (77mm X 105mm)

 

No markings

 

Picture courtesy Barrett Nicpon

2 1/2" X 4 1/4" (77mm X 105mm)

 

No markings (side view)

 

Picture courtesy Barrett Nicpon

U number assignment by Bob Berry May 2017.

Note that this unusual no-tie insulator style is dry process and attributed to the R. Thomas & Sons Co. and made for export.


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