ST-6500-6624

Spider discs 152mm (6") and under
ST-6508
ST-6508
ST-6508
Size: 101mm (4")
Example in Photo: J-D
Photo Credit: Bob Berry
Direct link to this insulator:
ManufacturerInsulator MarkingsCap MarkingsColorCountry
JD(Under-glaze Ink) (J-D Logo)Light BlueUSA
ST-6510
ST-6510
ST-6510
Size: 101mm (4")
Catalog info: J-D 1929 No. A-366
Catalog source: Elton Gish
Direct link to this insulator:
ManufacturerInsulator MarkingsCap MarkingsColorCountry
JDN/A (Drawing)USA
ST-6518
ST-6518
ST-6518
Size: 146mm (5.75”)
Example in Photo: J-D (USA)
Photo Credit: Bob Berry
Direct link to this insulator:
ManufacturerInsulator MarkingsCap MarkingsColorCountry
JD(Under-glaze Ink) (J-D Logo) / MFG. (Month) (Year)Light BlueUSA
ST-6520
ST-6520
ST-6520
Size: 152mm (6”)
Example in Photo: JD (USA)
Photo Credit: Jeff Markwart
Direct link to this insulator:
ManufacturerInsulator MarkingsCap MarkingsColorCountry
JD(Under-glaze Ink) (J-D- Logo)JD 1006BrownUSA
ST-6522
ST-6522
ST-6522
Size: 152mm x 63mm (6” x 2.5”)
Example in Photo: JD (USA)
Photo Credit: Jeff Markwart
Direct link to this insulator:
ManufacturerInsulator MarkingsCap MarkingsColorCountry
JD(Under-glaze Ink) (J-D Logo)JD 1054BrownUSA
JD(Under-glaze Ink) (J-D Logo)JD 1054Light BlueUSA
ST-6522A
ST-6522A
ST-6522A
Size: 152mm x 82mm (6” x 3.25”)
Example in Photo: JD (USA)
Photo Credit: Jeff Markwart
Direct link to this insulator:
ManufacturerInsulator MarkingsCap MarkingsColorCountry
JDJD 1006 // M 3BrownUSA