---
product_id: 672811299
title: ".250'' (1/4\" Actual) Buna-N O-Ring Cord Stock, 70A Durometer, 0.250\" Thickness, 10' Piece, Black"
brand: "mr o-ring"
price: "$94"
currency: NZD
in_stock: true
url: https://www.desertcart.nz/products/672811299-250-1-4-actual-buna-n-o-ring-cord-stock
store_origin: NZ
region: New Zealand
---

# -40°F to 212°F wide temp range 70A Durometer for durable sealing Proudly made in the USA .250'' (1/4" Actual) Buna-N O-Ring Cord Stock, 70A Durometer, 0.250" Thickness, 10' Piece, Black

**Brand:** mr o-ring
**Price:** $94
**Availability:** ✅ In Stock

## Summary

> 🔧 Seal your success with precision and power!

## Quick Answers

- **What is this?** .250'' (1/4" Actual) Buna-N O-Ring Cord Stock, 70A Durometer, 0.250" Thickness, 10' Piece, Black by mr o-ring
- **How much does it cost?** $94 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/672811299-250-1-4-actual-buna-n-o-ring-cord-stock)

## 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

- • **Made in the USA:** Crafted domestically ensuring premium quality and trusted durability.
- • **Precision Thickness:** Exact 0.250" Buna-N cord stock for reliable, consistent sealing performance.
- • **Temperature Toughness:** Operates flawlessly from freezing -40°F to boiling 212°F, perfect for demanding environments.
- • **Custom Length Convenience:** Available in a 10-foot piece, giving you flexibility for any project size.
- • **Versatile Chemical Resistance:** Engineered with Buna-N (Nitrile) to withstand oils, fuels, and hydrocarbons effortlessly.

## Overview

This .250" thick Buna-N O-Ring Cord Stock offers a robust 70A hardness, exceptional resistance to oils and hydrocarbons, and a broad temperature tolerance from -40°F to 212°F. Proudly made in the USA, it comes in a convenient 10-foot length, making it the go-to choice for professionals demanding reliable, high-performance sealing solutions.

## Description



## Features

- O-Ring Cord made of Buna-N (Nitrile, NBR) for use with a variety of fluids and hydrocarbons
- Durometer (hardness) of 70A
- For use across a wide temperature range from -40 degrees F (-40 degrees C) to 212 degrees F (100 degrees C)
- Made in the U.S.A.
- Available in various cross sections and lengths

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Mr O-Ring |
| Manufacturer | Small Parts, Inc |
| Country of Origin | USA |
| Model number | AZ-N70.250/10 |
| Colour | Black |
| Number of Memory Sticks | 1 |
| Item Weight | 136 g |
| Package Dimensions | 20.4 x 15 x 3.3 cm; 136.08 g |
| Item model number | AZ-N70.250/10 |
| Are batteries included? | No |

## Product Details

- **Material:** Buna-N
- **Brand:** Mr O-Ring
- **Colour:** Black
- **Manufacturer:** Small Parts, Inc
- **Net Quantity:** 1 Piece

## Images

![.250'' (1/4" Actual) Buna-N O-Ring Cord Stock, 70A Durometer, 0.250" Thickness, 10' Piece, Black - Image 1](https://m.media-amazon.com/images/I/712mL2CVl4L.jpg)

## Frequently Bought Together

- .250'' (1/4" Actual) Buna-N O-Ring Cord Stock
- 3M Scotch-Weld Plastic & Rubber Instant Adhesive PR40, Clear, 20 Gram Bottle
- .250'' (1/4" Actual) Silicone O-Ring Cord Stock, 70A Durometer, 10' Piece, Red

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**Shop now:** [https://www.desertcart.nz/products/672811299-250-1-4-actual-buna-n-o-ring-cord-stock](https://www.desertcart.nz/products/672811299-250-1-4-actual-buna-n-o-ring-cord-stock)

---

*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-10*