V90 Backup Ring: Rectangular C.S. Shape, 1/8 in C.S., 4 3/8 in Inner Diam.
The V90 Backup Ring is a Viton® backup O-ring with a rectangular cross-section shape, 1/8 in cross-section, and 4 3/8 in inner diameter, sold in a 5-pack (MPN GR-V8-90-245/5). It has a durometer of 90. 3G Electric…
SKU 3G-OTH-518565
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Product Description
The V90 Backup Ring is a Viton® backup O-ring with a rectangular cross-section shape, 1/8 in cross-section, and 4 3/8 in inner diameter, sold in a 5-pack (MPN GR-V8-90-245/5). It has a durometer of 90. 3G Electric sources this OEM part across 14 industrial departments, with specialist depth in combustion, pumps, and controls as an authorized distributor.
Frequently Asked Questions
What is a V90 Backup Ring used for?
A V90 Backup Ring prevents O-ring extrusion in high-pressure hydraulic and pneumatic systems. It supports the O-ring under pressure, extending seal life in pumps, valves, and cylinders across industrial applications. 3G Electric supplies this Viton® backup ring worldwide.
What are the specifications of the V90 Backup Ring GR-V8-90-245/5?
The V90 Backup Ring has a rectangular cross-section shape, 1/8 in cross-section, 4 3/8 in inner diameter, and a durometer of 90. It is made of Viton® and sold in a 5-pack. 3G Electric sources this OEM part across 14 industrial departments.
Where to buy V90 Backup Rings worldwide?
3G Electric supplies V90 Backup Rings worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source this Viton® backup ring and deliver to your facility. Contact us for availability and lead time.
How to install a V90 Backup Ring?
Install the V90 Backup Ring on the downstream side of the O-ring relative to pressure. Ensure the rectangular cross-section faces the O-ring. Lubricate with compatible fluid and avoid twisting during assembly. 3G Electric provides sourcing support for this Viton® part.
V90 Products
3G Electric supplies V90 viton® backup o-rings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









