- Home Page /
- Industrial Supplies /
- Hydraulics, Pneumatics & Plumbing /
- Seals & O-Rings /
- O-Rings /
- 212 Buna-N O-Ring, 70A Durometer, Black, 78 I...
0 ratings
Item #:
120434741
212 Buna-N O-Ring, 70A Durometer, Black, 78 ID, 1-18 OD, 18 Width Pack of 100
Item #:
120434741
ETB 3757
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
This Buna-nitrile O-ring provides a versatile sealing solution across a wide temperature range and meets aerospace standards for reliability.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Durable Material
Made of high-quality Buna-N rubber, these O-rings provide excellent resistance to oils and solvents, ensuring longevity and reliability in various applications.
Precise Sizing
With a 7/8" ID and 1-1/8" OD, these O-rings offer a precise fit for a wide range of machines and equipment, minimizing the risk of leaks and failures.
Bulk Packaging
Packed in sets of 100, this product offers significant value for businesses and DIY enthusiasts alike, ensuring ample supply for various projects without frequent reorders.
Product Details
| Material | Nitrile Rubber |
| Nominal Inside Diameter | 0.86 Inches (2.2 cm) |
| Item Diameter | 1.14 Inches (2.9 cm) |
| Brand | Mr O-Ring |
| Color | Black |
Who Should Buy?
-
Mechanical Engineers
Ideal for mechanical engineers designing equipment requiring reliable seals and pressure containment.
-
Automotive Applications
Suitable for automotive mechanics needing durable seals for engines, transmissions, and hydraulic systems.
-
DIY Enthusiasts
Perfect for DIY enthusiasts working on home improvement projects that require strong sealing components.
-
High-Temperature Use
Not suitable for applications exposed to extreme heat as Buna-N can degrade quickly.
Product Description
212 Buna-N O-Ring, 70A Durometer, Black, 78 ID, 1-18 OD, 18 Width Pack of 100
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What temperature range can the O-ring withstand?
Answer: The O-ring can operate in temperatures from -30°F to 250°F. -
Question:
Is the O-ring compatible with all types of fluids?
Answer: It is compatible with petroleum, HFA, HFB, HFC fluids, vegetable oil, alcohol, acids, and aliphatic hydrocarbons but not with acetone and ozone. -
Question:
What standards does this O-ring meet?
Answer: This O-ring meets the Aerospace Standard AS568A.
MrO-Ring O-Rings Editorial Review
No editorial reviews found
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
ETB 3757
This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Made of durable black Buna-nitrile for high tensile strength.
- Effective sealing in temperatures from -30°F to 250°F.
- Features a hardness of 70A for excellent resistance to indentation.
- Compatible with a variety of fluids including petroleum and vegetable oil.
- Meets Aerospace Standard AS568A for quality assurance.
- Ideal for use in engines, faucets, and various flanges and valves.
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.