V90 Backup Ring: Rectangular C.S. Shape, 3/32 in C.S., 6 1/64 in Inner Diam.
The V90 Backup Ring is a rectangular cross-section Viton® backup O-ring, supplied in a 4-pack with a 3/32 in cross-section and a 6 1/64 in inner diameter. It features a 90 durometer hardness and is identified by…
SKU 3G-OTH-518420
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Product Description
The V90 Backup Ring is a rectangular cross-section Viton® backup O-ring, supplied in a 4-pack with a 3/32 in cross-section and a 6 1/64 in inner diameter. It features a 90 durometer hardness and is identified by manufacturer part number GR-V8-90-163/4.
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. Its rectangular cross-section and 90 durometer Viton® construction 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 has a 3/32 in cross-section, 6 1/64 in inner diameter, and 90 durometer hardness. It is a rectangular cross-section Viton® backup O-ring supplied in a 4-pack, with manufacturer part number GR-V8-90-163/4.
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, 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 groove is clean and lubricated. Avoid twisting or over-stretching the Viton® ring during assembly to maintain its 90 durometer integrity and 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.









