V90 Backup Ring: Rectangular C.S. Shape, 3/16 in C.S., 4 21/32 in Inner Diam.
The V90 Backup Ring is a rectangular cross-section Viton® backup O-ring, supplied as a 2-pack with a 3/16 in cross-section and 4 21/32 in inner diameter. This component features a 90 durometer rating and is…
SKU 3G-OTH-518497
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Product Description
The V90 Backup Ring is a rectangular cross-section Viton® backup O-ring, supplied as a 2-pack with a 3/16 in cross-section and 4 21/32 in inner diameter. This component features a 90 durometer rating and is identified by manufacturer part number GR-V8-90-350/2.
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.
What are the specifications of the V90 Backup Ring GR-V8-90-350/2?
The V90 Backup Ring has a rectangular cross-section, 3/16 in cross-section, 4 21/32 in inner diameter, and 90 durometer. It is a 2-pack Viton® backup O-ring with manufacturer part number GR-V8-90-350/2.
Where to buy V90 Backup Rings in worldwide?
3G Electric supplies V90 Backup Rings worldwide. We handle full logistics and customs clearance to deliver genuine Viton® backup O-rings to your facility, regardless of location.
How to install a V90 Backup Ring?
Install the V90 Backup Ring on the low-pressure side of the O-ring in the gland. Ensure the rectangular cross-section faces the O-ring. Lubricate with compatible fluid and avoid twisting during assembly.
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.









