Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

V90 Backup Ring: Rectangular C.S. Shape, 3/16 in C.S., 41/64 in Inner Diam. - Viton® Backup O-Rings
V90Viton® Backup O-Rings

V90 Backup Ring: Rectangular C.S. Shape, 3/16 in C.S., 41/64 in Inner Diam.

The V90 Backup Ring: Rectangular C.S. is a Viton® backup O-ring with a 3/16 in cross-section, 41/64 in inner diameter, and 90 durometer, supplied in a 15 PK. This rectangular-profile ring (MPN GR-V8-90-312/15) is…

SKU 3G-OTH-518494

Brand
V90
Item
Backup Ring: Rectangular C.S. Shape, 3/16 in C.S., 41/64 in Inner Diam.
Category
Viton® Backup O-Rings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

V90
Manufacturer Part Number
GR-V8-90-312/15
Type
15 PK
C.S.
3/16 in
Durometer
90
Inner Diam.
41/64 in
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

V90 Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The V90 Backup Ring: Rectangular C.S. is a Viton® backup O-ring with a 3/16 in cross-section, 41/64 in inner diameter, and 90 durometer, supplied in a 15 PK. This rectangular-profile ring (MPN GR-V8-90-312/15) 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, extending service life in static and dynamic applications across industrial machinery, valves, and pumps.

What are the specifications of the V90 Backup Ring?

The V90 Backup Ring (MPN GR-V8-90-312/15) has a 3/16 in cross-section, 41/64 in inner diameter, 90 durometer, and is made of Viton®. It comes in a 15 PK. These specs ensure reliable backup in demanding sealing environments.

Where to buy V90 Backup Rings worldwide?

3G Electric supplies V90 Backup Rings worldwide. We handle full logistics and customs clearance to deliver genuine industrial sealing components, including this Viton® backup ring, to your facility. Contact us for availability and lead time.

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 gland. Ensure the rectangular profile faces the O-ring to prevent extrusion. Avoid sharp edges during assembly to protect the Viton® material.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from V90

View all V90 parts
V90 Backup Ring: Rectangular C.S. Shape, 1/8 in C.S., 17/64 in Inner Diam., 50 PK (MPN GR-V8-90-202/50). Key specifications — Durometer: 90.
V90
V90 Backup Ring: Rectangular C.S. Shape, 1/8 in C.S., 17/64 in Inner Diam., 50 PK (MPN GR-V8-90-202/50). Key specifications — Durometer: 90.
V90 Backup Ring: Rectangular C.S. Shape, 1/8 in C.S., 3 3/8 in Inner Diam., 5 PK (MPN GR-V8-90-237/5). Key specifications — Durometer: 90.
V90
V90 Backup Ring: Rectangular C.S. Shape, 1/8 in C.S., 3 3/8 in Inner Diam., 5 PK (MPN GR-V8-90-237/5). Key specifications — Durometer: 90.
V90 Backup Ring: Rectangular C.S. Shape, 3/64 in C.S., 1 17/64 in Inner Diam., 25 PK (MPN GR-V8-90-026/25). Key specifications — Durometer: 90.
V90
V90 Backup Ring: Rectangular C.S. Shape, 3/64 in C.S., 1 17/64 in Inner Diam., 25 PK (MPN GR-V8-90-026/25). Key specifications — Durometer: 90.
V90 Metric O-Ring: Round C.S. Shape, 3/32 in C.S., 13/16 in Inner Diam., 10 PK (MPN GR-V2.40X020.8/90/10). Key specifications — Durometer: 90.
V90
V90 Metric O-Ring: Round C.S. Shape, 3/32 in C.S., 13/16 in Inner Diam., 10 PK (MPN GR-V2.40X020.8/90/10). Key specifications — Durometer: 90.
V90 Backup Ring: Rectangular C.S. Shape, 1/8 in C.S., 8 49/64 in Inner Diam., 2 PK (MPN GR-V8-90-269/2). Key specifications — Durometer: 90.
V90
V90 Backup Ring: Rectangular C.S. Shape, 1/8 in C.S., 8 49/64 in Inner Diam., 2 PK (MPN GR-V8-90-269/2). Key specifications — Durometer: 90.
V90 Backup Ring: Rectangular C.S. Shape, 3/64 in C.S., 9/64 in Inner Diam., 50 PK (MPN GR-V8-90-006/50). Key specifications — Durometer: 90.
V90
V90 Backup Ring: Rectangular C.S. Shape, 3/64 in C.S., 9/64 in Inner Diam., 50 PK (MPN GR-V8-90-006/50). Key specifications — Durometer: 90.
V90 Backup Ring: Rectangular C.S. Shape, 3/32 in C.S., 45/64 in Inner Diam., 50 PK (MPN GR-V8-90-115/50). Key specifications — Durometer: 90.
V90
V90 Backup Ring: Rectangular C.S. Shape, 3/32 in C.S., 45/64 in Inner Diam., 50 PK (MPN GR-V8-90-115/50). Key specifications — Durometer: 90.
V90 Metric O-Ring: Round C.S. Shape, 5/64 in C.S., 17/64 in Inner Diam., 10 PK (MPN GR-V1.88X006.61/90/10). Key specifications — Durometer: 90.
V90
V90 Metric O-Ring: Round C.S. Shape, 5/64 in C.S., 17/64 in Inner Diam., 10 PK (MPN GR-V1.88X006.61/90/10). Key specifications — Durometer: 90.