---
product_id: 15263434
title: "210 Buna-N O-Ring, 70A Durometer, Black, 3/4\" ID, 1\" OD, 1/8\" Width (Pack of 100)"
brand: "mr o-ring"
price: "$65.26"
currency: USD
in_stock: true
url: https://www.desertcart.ec/products/15263434-210-buna-n-o-ring-70a-durometer-black-3-4
store_origin: EC
region: Ecuador
---

# Aerospace Standard AS568A 70A Durometer -30°F to 250°F 210 Buna-N O-Ring, 70A Durometer, Black, 3/4" ID, 1" OD, 1/8" Width (Pack of 100)

**Brand:** mr o-ring
**Price:** $65.26
**Availability:** ✅ In Stock

## Summary

> 🔒 Seal the Deal with Confidence!

## Quick Answers

- **What is this?** 210 Buna-N O-Ring, 70A Durometer, Black, 3/4" ID, 1" OD, 1/8" Width (Pack of 100) by mr o-ring
- **How much does it cost?** $65.26 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/15263434-210-buna-n-o-ring-70a-durometer-black-3-4)

## Best For

- mr o-ring enthusiasts

## Why This Product

- Trusted mr o-ring brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Bulk Value Pack:** Comes in a pack of 100, offering exceptional value for your sealing needs.
- • **Durable Hardness Rating:** 70A durometer provides excellent resistance to penetration, ensuring longevity and performance.
- • **Precision Sealing Design:** Round cross-section guarantees a tight seal between cylindrical surfaces, minimizing leaks.
- • **Versatile Fluid Compatibility:** Engineered for a wide range of fluids and hydrocarbons, ensuring reliability in diverse applications.
- • **Extreme Temperature Resilience:** Withstands temperatures from -30°F to 250°F, perfect for both hot and cold environments.

## Overview

The 210 Buna-N O-Ring is a high-performance sealing solution made from durable Buna-nitrile, designed to withstand a wide range of fluids and temperatures. With a hardness rating of 70A and compliance with Aerospace Standard AS568A, this pack of 100 O-rings is perfect for professionals seeking reliability and efficiency in their projects.

## Description

210 Buna-N O-Ring, 70A Durometer, Black, 3/4" ID, 1" OD, 1/8" Width (Pack of 100)

## Features

- Made of Buna-nitrile (also called Buna-N) for use with a variety of fluids and hydrocarbons
- Can be used across a wide temperature range from -30 degrees F (-34 degrees C) to 250 degrees F (121 degrees C)
- Round in cross-section to provide a seal between cylindrical overlapping surfaces
- Durometer (hardness) of 70A for resistance to penetration
- Meets standards defined by Aerospace Standard AS568A

## Product Details

- **Material:** Nitrile Rubber
- **Nominal Inside Diameter:** 0.73 Inches
- **Item Diameter:** 1.01 Inches
- **Brand:** Mr O-Ring
- **Color:** Black

## Images

![210 Buna-N O-Ring, 70A Durometer, Black, 3/4" ID, 1" OD, 1/8" Width (Pack of 100) - Image 1](https://m.media-amazon.com/images/I/81VuBT35OeL.jpg)
![210 Buna-N O-Ring, 70A Durometer, Black, 3/4" ID, 1" OD, 1/8" Width (Pack of 100) - Image 2](https://m.media-amazon.com/images/I/51bid7qjm5L.jpg)

## Frequently Bought Together

- 210 Buna-N O-Ring, 70A Durometer, Black, 3/4" ID, 1" OD, 1/8" Width (Pack of 100)
- 112 Buna-N O-Ring, 90A Durometer, Round, Black, 1/2" ID, 11/16" OD, 3/32" Width (Pack of 100)
- 116 Buna-N O-Ring, 70A Durometer, Round, Black, 3/4" ID, 15/16" OD, 3/32" Width (Pack of 100)

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**Shop now:** [https://www.desertcart.ec/products/15263434-210-buna-n-o-ring-70a-durometer-black-3-4](https://www.desertcart.ec/products/15263434-210-buna-n-o-ring-70a-durometer-black-3-4)

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*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-04-22*