V90 Backup Ring: Rectangular C.S. Shape, 3/16 in C.S., 49/64 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 3/16 in cross-section, 49/64 in inner diameter, and a durometer of 90 (MPN GR-V8-90-314/15).
SKU 3G-OTH-518510
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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 3/16 in cross-section, 49/64 in inner diameter, and a durometer of 90 (MPN GR-V8-90-314/15).
Frequently Asked Questions
What is a V90 Backup Ring used for?
The V90 Backup Ring is a Viton® backup O-ring used to prevent extrusion of the primary O-ring in high-pressure hydraulic and pneumatic sealing applications. Its rectangular cross-section provides additional support, extending seal life in demanding industrial environments.
What are the specifications of the V90 Backup Ring?
The V90 Backup Ring has a 3/16 in cross-section, 49/64 in inner diameter, and a durometer of 90. It is made of Viton® with a rectangular cross-section shape, supplied in a 15-piece pack under MPN GR-V8-90-314/15.
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, we source and deliver genuine Viton® backup O-rings like the GR-V8-90-314/15 to your facility, regardless of location.
How to install a V90 Backup Ring?
Install the V90 Backup Ring behind the primary O-ring in the gland groove, ensuring the rectangular cross-section faces the pressure side. Lubricate with compatible fluid, avoid sharp edges, and verify the 49/64 in inner diameter fits the shaft without stretching excessively.
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.









