V90 Backup Ring: Rectangular C.S. Shape, 3/32 in C.S., 6 15/64 in Inner Diam.
The V90 Backup Ring is a rectangular cross-section Viton® backup O-ring, supplied in a 4-pack (SKU 406VA2, MPN GR-V8-90-164/4). It features a 3/32 in cross-section, 6 15/64 in inner diameter, and a durometer of 90…
SKU 3G-OTH-518418
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Product Description
The V90 Backup Ring is a rectangular cross-section Viton® backup O-ring, supplied in a 4-pack (SKU 406VA2, MPN GR-V8-90-164/4). It features a 3/32 in cross-section, 6 15/64 in inner diameter, and a durometer of 90. This component is designed to support O-ring seals in high-pressure applications, preventing extrusion and extending seal life.
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. Its rectangular cross-section supports the seal, extending service life under demanding conditions. 3G Electric supplies this Viton® backup ring for industrial applications requiring reliable sealing.
What are the specifications of the V90 Backup Ring GR-V8-90-164/4?
This V90 Backup Ring has a rectangular cross-section of 3/32 in, an inner diameter of 6 15/64 in, and a durometer of 90. It is made from Viton® and comes in a 4-pack (MPN GR-V8-90-164/4). These specs ensure compatibility with standard O-ring grooves.
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 genuine Viton® backup rings like the GR-V8-90-164/4 and deliver to your facility. Contact us for availability and lead times.
How to install a V90 Backup Ring?
Install the V90 Backup Ring on the low-pressure side of the O-ring in the gland groove. Ensure the ring is not twisted and seats flat against the groove wall. Use lubrication compatible with Viton® to avoid damage during assembly. Proper installation prevents extrusion under pressure.
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.









