V90 Backup Ring: Rectangular C.S. Shape, 3/32 in C.S., 45/64 in Inner Diam.
The V90 Backup Ring is a Viton® backup O-ring with a rectangular cross-section, supplied in a 50-piece pack. It features a 3/32 in cross-section, 45/64 in inner diameter, and a durometer of 90 (MPN GR-V8-90-115/50).
SKU 3G-OTH-518472
Need installation or engineering help?
Ask a question
Product Description
The V90 Backup Ring is a Viton® backup O-ring with a rectangular cross-section, supplied in a 50-piece pack. It features a 3/32 in cross-section, 45/64 in inner diameter, and a durometer of 90 (MPN GR-V8-90-115/50).
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 hydraulic and pneumatic systems. Made from Viton®, it resists heat and chemicals, making it suitable for pumps, valves, and cylinders in industrial fluid power applications.
What are the specifications of the V90 backup ring?
The V90 backup ring has a rectangular cross-section, 3/32 in cross-section, 45/64 in inner diameter, and a durometer of 90. It comes in a 50-piece pack with manufacturer part number GR-V8-90-115/50.
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 ring is seated flat without twisting. Lubricate with compatible fluid to avoid damage during assembly. Follow standard O-ring groove dimensions for proper fit.
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.









