V90 Backup Ring: Rectangular C.S. Shape, 3/32 in C.S., 2 13/64 in Inner Diam.
The V90 Backup Ring is a Viton® backup O-ring with a rectangular cross-section, supplied in a 10-pack (MPN GR-V8-90-139/10). It features a 3/32 in cross-section, a 2 13/64 in inner diameter, and a durometer of 90…
SKU 3G-OTH-518447
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Product Description
The V90 Backup Ring is a Viton® backup O-ring with a rectangular cross-section, supplied in a 10-pack (MPN GR-V8-90-139/10). It features a 3/32 in cross-section, a 2 13/64 in inner diameter, and a durometer of 90. This product is designed to support O-ring sealing applications.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is a V90 Backup Ring used for?
A V90 Backup Ring prevents O-ring extrusion in high-pressure sealing applications. It supports the O-ring on the low-pressure side, extending seal life in hydraulic and pneumatic systems. This Viton® rectangular backup ring is ideal for demanding industrial environments.
What are the specifications of the V90 Backup Ring?
The V90 Backup Ring (MPN GR-V8-90-139/10) has a rectangular cross-section, 3/32 in C.S., 2 13/64 in inner diameter, and a durometer of 90. It is made of Viton® and comes in a 10-pack. These specs ensure reliable backup support for O-rings in sealing assemblies.
Where to buy V90 Backup Rings worldwide?
3G Electric supplies V90 Backup Rings worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source genuine Viton® backup rings like the GR-V8-90-139/10 and support your procurement from order to arrival.
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 sits flat against the groove wall. Lubricate lightly with compatible fluid to avoid pinching. Follow standard O-ring installation practices for best sealing performance.
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.









