N90 Bulk Packaged O-Ring: Buna-N, Round, 1/4 in C.S., 6 3/4 in I.D.
The N90 Bulk Packaged O-Ring is a Buna-N, round O-ring with a 1/4 in cross-section and 6 3/4 in inside diameter, sold in a 50-pack. It features a 90A durometer, dash number 440, and an operating temperature range of…
SKU 3G-OTH-514542
Need installation or engineering help?
Ask a question
Product Description
The N90 Bulk Packaged O-Ring is a Buna-N, round O-ring with a 1/4 in cross-section and 6 3/4 in inside diameter, sold in a 50-pack. It features a 90A durometer, dash number 440, and an operating temperature range of -13°F to 250°F.
Frequently Asked Questions
What is the N90 Bulk Packaged O-Ring used for?
The N90 Buna-N O-Ring is used for sealing static and dynamic applications in hydraulic and pneumatic systems, pumps, valves, and industrial machinery. Its 90A durometer provides firm compression resistance, making it suitable for high-pressure sealing where minimal deformation is required.
What are the specifications of the N90 Bulk Packaged O-Ring?
This Buna-N O-Ring has a 1/4 in cross-section, 6 3/4 in inside diameter, 90A durometer, dash number 440, and an operating temperature range of -13°F to 250°F. It is sold in a 50-pack with manufacturer part number GR-N90440/50.
Where to buy the N90 Bulk Packaged O-Ring worldwide?
3G Electric supplies the N90 Bulk Packaged O-Ring worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source and deliver genuine Buna-N O-rings to any location. Contact us for availability and lead time.
How to select the right N90 O-Ring for my application?
Select the N90 O-Ring based on your required inside diameter, cross-section, and durometer. For high-pressure static seals, the 90A durometer offers firm compression. Ensure the operating temperature stays within -13°F to 250°F. Verify dash number 440 matches your groove dimensions.
N90 Products
3G Electric supplies N90 buna-n o-rings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









