Ordered as VB90425, this is an AS568-425 brown Viton® (FKM) 90 Shore A O-Ring measuring an inside diameter of 4.475 in (113.67 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 5.025 in (127.64 mm). The o-ring compresses into its gland to block fluid or gas migration across a joint.
Viton® (FKM) is specified here for excellent resistance to compression set and permeation, long service life in hot, chemically aggressive environments. The compound resists chlorinated solvents, aromatic hydrocarbons, and many acids. Continuous operating temperature is published at -15°F (-26.1°C) to 400°F (204.4°C). It is not the right choice where hot water and steam or amines are present.
You will find this material specified across oil and gas, aerospace, and automotive fuel systems.
Order part number VB90425, sold individually. Unit weight is approximately 31.6789 g and nominal inside diameter is listed as 4 1/2 inch. Review your operating media and conditions against this specification before installation.
description -425 BROWN FKM 90D O-RING
uf_description2 0.275" (6.99MM) CS X 4.475" (113.67MM) ID
Actual_CS 0.275 inch (6.99 mm)
Actual_ID 4.475 inch (113.67 mm)
Actual_OD 5.025 inch (127.64 mm)
ProductCode Description O-Rings - Bulk - Commodity