V90 Backup Ring: Rectangular C.S. Shape, 1/8 in C.S., 1 5/64 in Inner Diam.
The V90 Backup Ring is a Viton® backup O-ring with a rectangular cross-section, supplied in a 15-piece pack. It features a 1/8 in cross-section, 1 5/64 in inner diameter, and a durometer of 90 (MPN GR-V8-90-215/15).
SKU 3G-OTH-518602
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Product Description
The V90 Backup Ring is a Viton® backup O-ring with a rectangular cross-section, supplied in a 15-piece pack. It features a 1/8 in cross-section, 1 5/64 in inner diameter, and a durometer of 90 (MPN GR-V8-90-215/15).
Frequently Asked Questions
What is a V90 Backup Ring used for?
A V90 Backup Ring prevents extrusion of O-rings in high-pressure hydraulic and pneumatic systems. Its rectangular cross-section and 90 durometer Viton® material provide reliable sealing in demanding industrial applications across machining, power transmission, and fluid handling.
What are the specifications of the V90 Backup Ring?
The V90 Backup Ring (MPN GR-V8-90-215/15) has a 1/8 in cross-section, 1 5/64 in inner diameter, and 90 durometer. It is made of Viton® with a rectangular cross-section shape and comes in a 15-piece pack. These specs suit high-pressure sealing in pumps and controls.
Where to buy V90 Backup Rings worldwide?
3G Electric supplies V90 Backup Rings worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver genuine Viton® backup O-rings to your facility. Contact us for pricing and lead time on the GR-V8-90-215/15 15-pack.
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 to prevent extrusion. Lubricate with compatible fluid and avoid sharp edges. Follow standard hydraulic seal installation practices for best results.
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.









