V90 Backup Ring: Rectangular C.S. Shape, 3/32 in C.S., 4 49/64 in Inner Diam.
The V90 Backup Ring is a Viton® backup O-ring with a rectangular cross-section, supplied in a 5-pack (SKU 406VC7, MPN GR-V8-90-158/5). It features a 3/32 in cross-section, 4 49/64 in inner diameter, and a durometer…
SKU 3G-OTH-518428
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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 (SKU 406VC7, MPN GR-V8-90-158/5). It features a 3/32 in cross-section, 4 49/64 in inner diameter, and a durometer of 90. 3G Electric sources this genuine OEM component across 14 industrial departments, with specialist expertise in sealing solutions.
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 sealing applications. It supports the O-ring under pressure, extending seal life in pumps, valves, and cylinders across industrial machinery. 3G Electric supplies this genuine Viton® component worldwide.
What are the specifications of the V90 Backup Ring?
The V90 Backup Ring (MPN GR-V8-90-158/5) has a rectangular cross-section, 3/32 in cross-section, 4 49/64 in inner diameter, and a durometer of 90. It is made of Viton® and comes in a 5-pack. 3G Electric sources this OEM part across 14 industrial departments.
Where to buy V90 Backup Rings worldwide?
3G Electric supplies the V90 Backup Ring (SKU 406VC7) worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us to order this genuine Viton® backup ring for your sealing application.
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 groove is clean and lubricated. Avoid twisting or stretching the ring beyond its elastic limit. 3G Electric provides sourcing support for this Viton® backup ring globally.
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.









