N70 Bulk Packaged O-Ring: Buna-N, Round, 1/8 in C.S., 5/16 in I.D.
The N70 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 70A, dash number 203, and an operating temperature range of -22°F to 250°F. Supplied in a…
SKU 3G-OTH-514302
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Product Description
The N70 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 70A, dash number 203, and an operating temperature range of -22°F to 250°F. Supplied in a 5,000-piece pack (MPN GR-N70203/5000), this OEM-sourced component supports sealing applications across 3G Electric's 14 industrial departments, with specialist depth in combustion, pumps, and controls.
Frequently Asked Questions
What is the N70 Bulk Packaged O-Ring used for?
The N70 Buna-N O-Ring (dash 203) seals static and dynamic joints in hydraulic, pneumatic, and fluid-handling systems across industrial departments like machining, pumps, and combustion. Its 70A durometer and -22°F to 250°F range suit general-purpose sealing in equipment from brands such as SKF and Festo.
What are the specifications of the N70 Bulk Packaged O-Ring?
This Buna-N O-Ring has a 1/8 in cross-section, 5/16 in inside diameter, 70A durometer, dash number 203, and operating temperature range of -22°F to 250°F. It is supplied in a 5,000-piece pack (MPN GR-N70203/5000) and is a round-profile, OEM-sourced component.
Where to buy the N70 Bulk Packaged O-Ring worldwide?
3G Electric supplies the N70 Buna-N O-Ring (GR-N70203/5000) 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 pack.
How to select the right N70 O-Ring for an application?
Match the O-Ring’s cross-section (1/8 in) and inside diameter (5/16 in) to your gland dimensions. Verify that the Buna-N material and 70A durometer suit your fluid compatibility and temperature range (-22°F to 250°F). For combustion or pump systems, consult 3G Electric’s specialist team for guidance.
N70 Products
3G Electric supplies N70 buna-n o-rings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









