N90 Bulk Packaged O-Ring: Buna-N, Round, 1/8 in C.S., 5/16 in I.D.
The N90 Bulk Packaged O-Ring is a Buna-N, round o-ring with a 1/8 in cross-section and 5/16 in inside diameter, durometer 90A, dash number 203, and an operating temperature range of -13°F to 250°F, supplied in a…
SKU 3G-OTH-514201
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Product Description
The N90 Bulk Packaged O-Ring is a Buna-N, round o-ring with a 1/8 in cross-section and 5/16 in inside diameter, durometer 90A, dash number 203, and an operating temperature range of -13°F to 250°F, supplied in a 5,000-piece pack (MPN GR-N90203/5000).
Frequently Asked Questions
What is the N90 Bulk Packaged O-Ring used for?
The N90 Buna-N O-Ring (MPN GR-N90203/5000) is used for sealing static or dynamic applications in hydraulic, pneumatic, and fluid-handling systems. Its 90A durometer and -13°F to 250°F range suit industrial machinery, pumps, and valves where oil, fuel, or water resistance is needed.
What are the specifications of the N90 Bulk Packaged O-Ring?
This Buna-N O-Ring has a 1/8 in cross-section, 5/16 in inside diameter, 90A durometer, dash number 203, and operating temperature range of -13°F to 250°F. It is supplied in a 5,000-piece bulk pack (MPN GR-N90203/5000).
Where to buy the N90 Bulk Packaged O-Ring worldwide?
3G Electric supplies the N90 Buna-N O-Ring (MPN GR-N90203/5000) worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this 5,000-piece bulk pack.
How to select the right N90 O-Ring for my application?
Select the N90 Buna-N O-Ring (dash 203) for sealing applications requiring oil, fuel, or water resistance within -13°F to 250°F. Ensure the 1/8 in cross-section and 5/16 in inside diameter match your gland dimensions. For higher temperature or chemical exposure, consult 3G Electric for alternative materials.
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.









