---
product_id: 9307581
title: "112 Polyurethane O-Ring, 70A Durometer, Round, Translucent, 1/2\" ID, 11/16\" OD, 3/32\" Width (Pack of 10)"
brand: "small parts"
price: "₨437"
currency: SCR
in_stock: true
reviews_count: 8
url: https://www.desertcart.sc/products/9307581-112-polyurethane-o-ring-70a-durometer-round-translucent-1-2
store_origin: SC
region: Seychelles
---

# Aerospace Standard AS568A 70A Durometer -60°F to 212°F 112 Polyurethane O-Ring, 70A Durometer, Round, Translucent, 1/2" ID, 11/16" OD, 3/32" Width (Pack of 10)

**Brand:** small parts
**Price:** ₨437
**Availability:** ✅ In Stock

## Summary

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## Quick Answers

- **What is this?** 112 Polyurethane O-Ring, 70A Durometer, Round, Translucent, 1/2" ID, 11/16" OD, 3/32" Width (Pack of 10) by small parts
- **How much does it cost?** ₨437 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/9307581-112-polyurethane-o-ring-70a-durometer-round-translucent-1-2)

## Best For

- small parts enthusiasts

## Why This Product

- Trusted small parts brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Perfect Fit:** Round cross-section guarantees a reliable seal between cylindrical surfaces.
- • **Quality Assurance:** Meets stringent Aerospace Standard AS568A for unparalleled reliability.
- • **Precision Engineering:** With a 70A durometer, they offer superior resistance to penetration, ensuring durability.
- • **Unmatched Versatility:** Crafted from translucent polyurethane, these O-rings excel in various chemical applications.
- • **Temperature Resilience:** Designed to perform flawlessly in extreme temperatures, from -60°F to 212°F.

## Overview

The 112 Polyurethane O-Ring pack includes 10 high-quality rings designed for a wide range of applications. With a durometer of 70A, these translucent rings provide excellent resistance to penetration and are suitable for extreme temperatures, meeting the rigorous standards of Aerospace Standard AS568A.

## Description

This O-ring is made of translucent polyurethane and has a durometer of 70A. It has a round cross-section and can be used across a wide temperature range (-60 degrees F/-51 degrees C to 212 degrees F/100 degrees C). Designed for use in a wide variety of sealing applications, this polyurethane O-ring meets standards defined by Aerospace Standard AS568A, which is the Aerospace Size Standard for O-rings. Polyurethane is resistant to oil, weather, ozone , heat, electricity, abrasion, tearing and many chemicals. It performs well in low temperatures, but is not recommended for continuous use in high temperatures or with super-heated steam. The durometer hardness of this polyurethane O-ring is 70A. Durometers measure the hardness of a material and its resistance to permanent indentation. A higher durometer value indicates greater resistance to indentation. On a scale of 0 to 100, a value of 0 indicates that a sample was completely penetrated, while a value of 100 shows no indentation in the sample. The letter following the number identifies the shore scale, which is either shore A or D. Shore A is used for softer plastics, while shore D is used for harder plastics. O-rings provide a pressure and fluid seal between cylindrically shaped, overlapping mating surfaces and are commonly seen in engines, faucets, flanges, valves, and various cylinders. They are circular in shape, with a round cross section, and a hole in the center, similar to a doughnut. O-rings are available in various AS568A dash sizes, which is the standardized sizing for O-rings, and defines the nominal inside diameter (ID), outer diameter (OD), and cross-sectional (CS) diameter of an O-ring.

## Features

- Made of translucent polyurethane for use with a variety of chemicals and applications
- Durometer (hardness) of 70A for resistance to penetration
- Round cross-section provides a seal between cylindrical overlapping surfaces
- For use across a wide temperature range from -60 degrees F/-51 degrees C to 212 degrees F/100 degrees C)
- Meets standards defined by Aerospace Standard AS568A

## Images

![112 Polyurethane O-Ring, 70A Durometer, Round, Translucent, 1/2" ID, 11/16" OD, 3/32" Width (Pack of 10) - Image 1](https://m.media-amazon.com/images/I/713ku9TL4DL.jpg)
![112 Polyurethane O-Ring, 70A Durometer, Round, Translucent, 1/2" ID, 11/16" OD, 3/32" Width (Pack of 10) - Image 2](https://m.media-amazon.com/images/I/51bid7qjm5L.jpg)

## Available Options

This product comes in different **Nominal Width, Size, Nominal Inside Diameter, Nominal Outside Diameter, Outside Diameter, Inside Diameter String, Number of Items, Item Width String** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ 







  
  
    Well made
  

*by F***  on Reviewed in the United States 🇺🇸 on February 25, 2023*

Very well made with accurate sizing and quality materials.

### ⭐⭐⭐⭐⭐ 







  
  
    Good replacement for Hydro Flask straw lid
  

*by M***Y on Reviewed in the United States 🇺🇸 on January 2, 2023*

Lost the small O-ring in my Hydro Flask straw lid. Hydro Flask does not offer a replacement O-ring, but this (size: 202) works well.

### ⭐⭐⭐⭐ 







  
  
    Fair fit and finish, a few of the clear ...
  

*by A***8 on Reviewed in the United States 🇺🇸 on August 4, 2018*

Fair fit and finish, a few of the clear rings were a little yellowish, so not sure if this was an old batch, but they were still soft and pliable.

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**Shop now:** [https://www.desertcart.sc/products/9307581-112-polyurethane-o-ring-70a-durometer-round-translucent-1-2](https://www.desertcart.sc/products/9307581-112-polyurethane-o-ring-70a-durometer-round-translucent-1-2)

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-03-07*