V90 Backup Ring: Rectangular C.S. Shape, 3/16 in C.S.
The V90 Backup Ring is a Viton® backup O-ring with a rectangular cross-section shape, a 3/16 in cross-section, and a 15 1/32 in inner diameter. It has a durometer of 90 and is identified by manufacturer part number…
SKU 3G-OTH-518254
Need installation or engineering help?
Ask a question
Product Description
The V90 Backup Ring is a Viton® backup O-ring with a rectangular cross-section shape, a 3/16 in cross-section, and a 15 1/32 in inner diameter. It has a durometer of 90 and is identified by manufacturer part number GR-V8-90-384.
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 extrusion of O-rings in high-pressure hydraulic and pneumatic systems. It supports the seal in grooves, extending service life in pumps, valves, and cylinders across industrial applications.
What are the specifications of the V90 Backup Ring GR-V8-90-384?
The V90 Backup Ring has a rectangular cross-section shape, 3/16 in cross-section, 15 1/32 in inner diameter, and a durometer of 90. It is made of Viton® and carries manufacturer part number GR-V8-90-384.
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 the GR-V8-90-384 or other sizes.
How to install a V90 Backup Ring?
Install the V90 Backup Ring on the low-pressure side of the O-ring in a clean, lubricated groove. Avoid sharp edges or twisting. Ensure the ring sits flat to prevent extrusion under pressure. 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.









