V90 Backup Ring: Rectangular C.S. Shape, 3/64 in C.S., 1 49/64 in Inner Diam.
The V90 Backup Ring is a rectangular cross-section Viton® backup O-ring with a 3/64 in cross-section, 1 49/64 in inner diameter, and 90 durometer hardness, supplied in a 15-piece pack (MPN GR-V8-90-031/15). This…
SKU 3G-OTH-518635
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Product Description
The V90 Backup Ring is a rectangular cross-section Viton® backup O-ring with a 3/64 in cross-section, 1 49/64 in inner diameter, and 90 durometer hardness, supplied in a 15-piece pack (MPN GR-V8-90-031/15). This component is designed to support O-ring seals in high-pressure applications, preventing extrusion and extending seal life.
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 supports the seal under pressure, extending service life. Common in industrial machinery, pumps, and valves where reliable sealing is critical.
What are the specifications of the V90 Backup Ring?
The V90 Backup Ring has a rectangular cross-section, 3/64 in cross-section, 1 49/64 in inner diameter, and 90 durometer hardness. It is made of Viton® and supplied in a 15-piece pack (MPN GR-V8-90-031/15).
Where to buy V90 Backup Rings worldwide?
3G Electric supplies V90 Backup Rings worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this Viton® backup ring (MPN GR-V8-90-031/15).
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 not twisted and seats flat against the groove wall. Lubricate with compatible fluid to avoid damage during assembly. Follow standard O-ring installation practices.
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.









