1-190

191-225 228-376 377-435 436-699 701-861

862-914

922-964

 

National Insulator Association (NIA) logo

Threaded Unipart Porcelain Insulators

From the United States

 

Note:  Click on each insulator for larger pictures and more information!

U-436 through U-535 are cable top styles with a ridged skirt

U-440

U-441

U-447

U-447C

U-459

U-465A

U-473

U-474

U-480

U-488A

U-498

U-500

U-512

U-513

U-520

U-521

U-525

U-529A

U-537 through U-699 are cable top styles with a rounded skirt
   

U-537

U-552

U-559

U-570

U-585

U-598

U-600A

U-606

U-606A

U-608A

U-611A

U-612

U-625

U-628

U-634

U-639

U-648

U-652

U-666

U-666A

U-669

U-670A

U-675

U-694

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