Ordered as VB75172, this is an AS568-172 brown Viton® (FKM) 75 Shore A O-Ring built to an inside diameter of 8.237 in (209.22 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 8.443 in (214.45 mm). The o-ring remains the most cost-effective sealing element available for pressurized assemblies.
The material holds up against aggressive chemicals, aromatic hydrocarbons, and petroleum oils and fuels. Viton® (FKM) delivers excellent resistance to compression set and permeation, very low compression set at elevated temperature. The material carries a published service range of -15°F (-26.1°C) to 400°F (204.4°C). It should not be specified for service in ketones and esters or amines.
You will find this material specified across high-temperature process equipment, oil and gas, and semiconductor equipment.
Reference part number VB75172 when ordering; the item is sold individually. Unit weight is approximately 7.68 g and nominal inside diameter is listed as 8 1/4 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description -172 BROWN FKM 75D O-RING
uf_description2 0.103" (2.62MM) CS X 8.237" (209.22MM) ID
Actual_CS 0.103 inch (2.62 mm)
Actual_ID 8.237 inch (209.22 mm)
Actual_OD 8.443 inch (214.45 mm)
ProductCode Description O-Rings - Bulk - Commodity