Ordered as VB90255, this is an AS568-255 brown Viton® (FKM) 90 Shore A O-Ring supplied with an inside diameter of 5.609 in (142.47 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 5.887 in (149.53 mm). The o-ring compresses into its gland to block fluid or gas migration across a joint.
Viton® (FKM) is specified here for outstanding high-temperature capability and industry benchmark where nitrile reaches its thermal limit. Expect good resistance to aromatic hydrocarbons, aggressive chemicals, and petroleum oils and fuels. Rated temperature range runs from -15°F (-26.1°C) to 400°F (204.4°C) in continuous service. Verify compatibility before use with ketones and esters or low-molecular-weight organic acids.
It sees regular use in oil and gas, aerospace, and chemical processing.
Order part number VB90255, sold individually. Unit weight is approximately 10.1208 g. Review your operating media and conditions against this specification before installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.
Description -255 BROWN FKM 90D O-RING
Actual Cross Section 0.139 inch (3.53 mm)
Actual Inside Diameter 5.609 inch (142.47 mm)
Actual Outside Diameter 5.887 inch (149.53 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity