ST-3250-3499

Classic straight caps 158mm - 247mm (6.25" - 9.75")
 
ST-3275
ST-3275
ST-3275
Size: 165mm (6.5")
Example in Photo: No Name (Thomas) (USA)
Photo Credit: Mid Norris
Direct link to this insulator:
ManufacturerInsulator MarkingsCap MarkingsColorCountry
No Name (Thomas)G/5206Redish BrownUSA
 
ST-3279
ST-3279
ST-3279
Size: 165mm (6.5")
Example in Photo: No Name (Pittsburg) (USA)
Photo Credit: Mid Norris
Direct link to this insulator:
ManufacturerInsulator MarkingsCap MarkingsColorCountry
No Name (Pittsburg)T-5Redish BrownUSA
 
ST-3310
ST-3310
ST-3310
Size: 177mm (7")
Example in Photo: Lapp (USA)
Photo Credit: Mid Norris
Direct link to this insulator:
ManufacturerInsulator MarkingsCap MarkingsColorCountry
No Name (Lapp)Redish BrownUSA
 
ST-3315
ST-3315
ST-3315
Size: 177mm (7")
Example in Photo: No Name (Pittsburgh) (USA)
Photo Credit: Chris Hedges
Direct link to this insulator:
ManufacturerInsulator MarkingsCap MarkingsColorCountry
No Name (Pittsburg)251/ <>BrownUSA
 
ST-3318
ST-3318
ST-3318
Size: 177mm (7")
Example in Photo: LOCKE R= ∞ (USA)
Photo Credit: Mid Norris
Direct link to this insulator:
ManufacturerInsulator MarkingsCap MarkingsColorCountry
Locke(Incuse) LOCKE R= ∞Redish BrownUSA
ThomasG / 5561 / THOMAS // MADE IN U.S.A.BrownUSA

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