ST-5500-5749

Multi skirt or multi shed Largest shed 254mm - 298mm (10" - 11.75")
ST-5505
ST-5505
ST-5505
Size: 254mm (10")
Example in Photo: O-B (USA)
Photo Credit: Mid Norris
Direct link to this insulator:
ManufacturerInsulator MarkingsCap MarkingsColorCountry
O-B(O-B Logo) // U.S. PAT'D / 1- 25 -10 . 11 - 1 -10 / 7 - 17 -17 / 8830BrownUSA
ST-5510
ST-5510
ST-5510
Size: 254mm (10")
Example in Photo: Locke (USA)
Photo Credit: Mid Norris
Direct link to this insulator:
ManufacturerInsulator MarkingsCap MarkingsColorCountry
Locke(Incuse) 07311 / LOCKE / (Year) X / USAH-2 / LOCKE / 1340 - K (Keystone Logo) / MADE IN USA // 15000 LBSPumpkin OrangeUSA
Pinco(Under-glaze Ink) PINCO / 1958 0 15,000Redish BrownUSA
ST-5530
ST-5530
ST-5530
Size: 254mm (10")
Example in Photo: O-B (USA)
Photo Credit: Anonymous
Direct link to this insulator:
ManufacturerInsulator MarkingsCap MarkingsColorCountry
O-B(O-B Logo) / 15000 LBS // 7806-57Pumpkin OrangeUSA
O-B(O-B Logo) / 91855-5 // 15000 LBS / (Year)BrownUSA
O-B(Under-glaze Ink) 15 K 1 7679062Sky GrayUSA