Ordered as VB75231, this is an AS568-231 brown Viton® (FKM) 75 Shore A O-Ring supplied with an inside diameter of 2.609 in (66.27 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 2.887 in (73.33 mm). The o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
Viton® (FKM) is known for the industry benchmark where nitrile reaches its thermal limit and very low compression set at elevated temperature. This material stands up to many acids, aggressive chemicals, and petroleum oils and fuels. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C).
Maintenance and OEM teams specify it across semiconductor equipment, chemical processing, and automotive fuel systems.
This item is sold individually under part number VB75231. Unit weight is approximately 4.4457 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
description -231 BROWN FKM 75D O-RING
uf_description2 0.139" (3.53MM) CS X 2.609" (66.27MM) ID
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 2.609 inch (66.27 mm)
Actual_OD 2.887 inch (73.33 mm)
ProductCode Description O-Rings - Bulk - Commodity