V90 Backup Ring: Rectangular C.S. Shape, 3/64 in C.S., 3 17/64 in Inner Diam.
The V90 Backup Ring is a Viton® backup O-ring with a rectangular cross-section, supplied in a 10-pack. It features a 3/64 in cross-section, a 3 17/64 in inner diameter, and a durometer of 90 (MPN GR-V8-90-042/10).
SKU 3G-OTH-518624
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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. It features a 3/64 in cross-section, a 3 17/64 in inner diameter, and a durometer of 90 (MPN GR-V8-90-042/10).
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 in gland grooves, extending seal life under dynamic or static loads. Common in industrial machinery, pumps, and valves where Viton® material provides chemical and temperature resistance.
What are the specifications of the V90 Backup Ring GR-V8-90-042/10?
This V90 Backup Ring has a rectangular cross-section, 3/64 in cross-section, 3 17/64 in inner diameter, and 90 durometer. It is made of Viton® and comes in a 10-pack. The manufacturer part number is GR-V8-90-042/10.
Where to buy V90 Backup Rings worldwide?
3G Electric supplies V90 Backup Rings worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on the GR-V8-90-042/10 10-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 groove. Ensure the rectangular cross-section sits flat against the groove wall. Lubricate with compatible fluid to avoid pinching. Avoid sharp edges on mating hardware to prevent damage 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.









