V90 Backup Ring: Rectangular C.S. Shape, 3/16 in C.S., 3 41/64 in Inner Diam.
The V90 Backup Ring is a Viton® backup O-ring with a rectangular cross-section, supplied in a 5-pack. It features a 3/16 in cross-section, a 3 41/64 in inner diameter, and a durometer of 90 (MPN GR-V8-90-342/5).
SKU 3G-OTH-518505
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Product Description
The V90 Backup Ring is a Viton® backup O-ring with a rectangular cross-section, supplied in a 5-pack. It features a 3/16 in cross-section, a 3 41/64 in inner diameter, and a durometer of 90 (MPN GR-V8-90-342/5).
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 withstands elevated temperatures and aggressive fluids. 3G Electric supplies this rectangular cross-section ring across 14 industrial departments, including hydraulics and pneumatics, for reliable sealing in demanding applications.
What are the specifications of the V90 backup ring?
The V90 backup ring has a rectangular cross-section shape, 3/16 in cross-section, 3 41/64 in inner diameter, and a durometer of 90. It is a Viton® backup O-ring supplied in a 5-pack with manufacturer part number GR-V8-90-342/5. 3G Electric sources this genuine component for worldwide delivery.
Where to buy V90 backup rings worldwide?
3G Electric supplies V90 backup rings worldwide, handling full logistics and customs clearance. As a global industrial solutions provider since 1990, we source genuine Viton® backup O-rings like the GR-V8-90-342/5 across 14 departments. Contact us for availability and delivery to your location.
How to install a V90 backup ring?
Install the V90 backup ring on the low-pressure side of the O-ring to prevent extrusion. Ensure the groove is clean and lubricated with compatible fluid. Avoid sharp edges during installation to prevent damage. 3G Electric provides technical support for proper sealing in hydraulic and pneumatic systems.
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.









