---
product_id: 77618720
title: "328 Silicone O-Ring, 70A Durometer, Red, 1-7/8\" ID, 2-1/4\" OD, 3/16\" Width (Pack of 10)"
brand: "mr o-ring"
price: "3515 som"
currency: KGS
in_stock: true
reviews_count: 8
url: https://www.desertcart.kg/products/77618720-328-silicone-o-ring-70a-durometer-red-1-7-8
store_origin: KG
region: Kyrgyzstan
---

# Aerospace Standard Silicone Material Wide Temp Range 328 Silicone O-Ring, 70A Durometer, Red, 1-7/8" ID, 2-1/4" OD, 3/16" Width (Pack of 10)

**Brand:** mr o-ring
**Price:** 3515 som
**Availability:** ✅ In Stock

## Summary

> 🔧 Seal the Deal with Confidence!

## Quick Answers

- **What is this?** 328 Silicone O-Ring, 70A Durometer, Red, 1-7/8" ID, 2-1/4" OD, 3/16" Width (Pack of 10) by mr o-ring
- **How much does it cost?** 3515 som with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kg](https://www.desertcart.kg/products/77618720-328-silicone-o-ring-70a-durometer-red-1-7-8)

## 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

- • **Durable Hardness:** 70A durometer rating offers exceptional resistance to penetration and wear, ensuring longevity.
- • **Precision Sealing:** Round cross-section design guarantees a tight seal between cylindrical surfaces, preventing leaks.
- • **Aerospace Approved:** Meets stringent Aerospace Standard AS568A, making it a trusted choice for professionals.
- • **Versatile Compatibility:** Engineered for a variety of chemicals and fluids, ensuring reliability in diverse applications.
- • **Extreme Temperature Resilience:** Withstands temperatures from -65°F to 450°F, perfect for both hot and cold environments.

## Overview

The 328 Silicone O-Ring is a high-performance sealing solution designed for professionals, featuring a 70A durometer for durability, a wide temperature range, and compliance with Aerospace Standard AS568A, making it ideal for various industrial applications.

## Description

328 Silicone O-Ring, 70A Durometer, Red, 1-7/8" ID, 2-1/4" OD, 3/16" Width (Pack of 10)

## Features

- Made of silicone for use with a variety of chemicals and fluids
- Can be used across a wide temperature range from -65 degrees F (-54 degrees C) to 450 degrees F (232 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

## Images

![328 Silicone O-Ring, 70A Durometer, Red, 1-7/8" ID, 2-1/4" OD, 3/16" Width (Pack of 10) - Image 1](https://m.media-amazon.com/images/I/71Fbh-mFhNL.jpg)
![328 Silicone O-Ring, 70A Durometer, Red, 1-7/8" ID, 2-1/4" OD, 3/16" Width (Pack of 10) - Image 2](https://m.media-amazon.com/images/I/51bid7qjm5L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Seal replacement
  

*by S***6 on Reviewed in the United States on July 21, 2022*

Worked great to replace the broken pump seal on my hand pump garden sprayer.

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Worked fine
  

*by B***Y on Reviewed in the United States on November 20, 2021*

I used it to take up gap around vent pipe on my RV. Not what you would normally use these for, but did what I needed it to do.

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Quality
  

*by H***. on Reviewed in the United States on November 11, 2021*

Worked well

---

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**Shop now:** [https://www.desertcart.kg/products/77618720-328-silicone-o-ring-70a-durometer-red-1-7-8](https://www.desertcart.kg/products/77618720-328-silicone-o-ring-70a-durometer-red-1-7-8)

---

*Product available on Desertcart Kyrgyzstan*
*Store origin: KG*
*Last updated: 2026-02-05*