N70 Bulk Packaged O-Ring: Buna-N, Round, 3/16 in C.S., 5/8 in I.D.
The N70 Bulk Packaged O-Ring is a Buna-N round O-ring with a 3/16 in cross-section and 5/8 in inside diameter, durometer 70A, dash number 312, and an operating temperature range of -22°F to 250°F. Supplied in a…
SKU 3G-OTH-514573
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Product Description
The N70 Bulk Packaged O-Ring is a Buna-N round O-ring with a 3/16 in cross-section and 5/8 in inside diameter, durometer 70A, dash number 312, and an operating temperature range of -22°F to 250°F. Supplied in a 1,000-piece pack (MPN GR-N70312/1000), this OEM-sourced component is available through 3G Electric, which interprets customer demand and delivers genuine industrial equipment across 14 departments — with specialist depth in combustion, pumps, and controls.
Frequently Asked Questions
What is the N70 Buna-N O-Ring used for?
The N70 Buna-N O-Ring is used for sealing static and dynamic applications in industrial equipment, including pumps, valves, and hydraulic systems. Its 70A durometer and -22°F to 250°F range suit general-purpose fluid and air sealing. 3G Electric supplies this OEM-sourced component across 14 industrial departments.
What are the specifications of the N70 Bulk Packaged O-Ring?
The N70 O-Ring has a 3/16 in cross-section, 5/8 in inside diameter, 70A durometer, and dash number 312. It is Buna-N (Nitrile) material, round profile, with an operating temperature range of -22°F to 250°F. Supplied in a 1,000-piece pack (MPN GR-N70312/1000).
Where to buy N70 Buna-N O-Rings in worldwide?
3G Electric supplies the N70 Buna-N O-Ring (MPN GR-N70312/1000) to worldwide customers. As a global industrial solutions provider, we handle full logistics and customs clearance for delivery. Contact us to order this OEM-sourced component for your sealing applications.
How to select the right Buna-N O-Ring size?
Select a Buna-N O-Ring by matching the inside diameter and cross-section to your gland dimensions. For the N70, use 5/8 in I.D. and 3/16 in C.S. Ensure the durometer (70A) suits your pressure and the temperature range (-22°F to 250°F) covers your operating environment. 3G Electric can help confirm fit.
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.









