Locke M-4343 (14" - 11.5" - 9.5" - 7.5" x 15")

Locke M-4343 (14" - 11.5" - 9.5" - 7.5" x 15")

Locke catalog number 23527 "insert-type" insulator with cast iron crown was used to prevent RFI (radio frequency interference). [only four known]

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