O-Ring, Dash 343, Buna N, 0.21 In., PK25 MPN:GR-N70343/25
O-Ring, Dash 343, Buna N, 0.21 In., PK25
This high-quality O-Ring is designed for use in a variety of applications where a reliable seal is critical. Made from durable Buna N material, it can withstand temperatures from -40 to 250 degrees Fahrenheit, making it suitable for use in harsh environments. With a medium-hard durometer rating and a nominal inside diameter of 3 3/4 inches, it provides a secure fit in a range of systems. Perfect for use in industries such as aerospace, automotive, and manufacturing, this O-Ring offers long-lasting performance and peace of mind. Its compact size and versatility make it an essential component for many applications.
Top product features:
- Made from a durable Buna N material that provides resistance to harsh temperatures and chemicals
- Has a medium-hard durometer rating of 70A, indicating a balance between flexibility and durability
- Meets or exceeds industry standards for performance and quality, including ASTM D2000 and SAE J200
Top product applications:
- Hydraulic System Seals
- Gasket and O-Ring Applications
- Automotive Brake System Seals
O-Ring, Not Metal Detectable Metal Detectable, Not X-Ray Detectable X-Ray Detectable, System of Measurement Inch, Cross Section Shape Round, O-Ring Material Buna N, Durometer (Hardness) Rating Medium Hard, Nominal Inside Dia. 3 3/4 in, Nominal Width 3/16 in, Actual Inside Dia. 3.725 in, Actual Width 0.21 in, Dash Number 343, Color Black, Durometer 70A, Meets/Exceeds ASTM D2000, SAE J200, Nominal Outside Dia. 4 1/8 in, Actual Outside Dia. 4.145 in, Temp. Range -40 Degrees to 250 Degrees F
Additional Information
- Country of Origin: ZZ
- Drop Ship Item: No
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 1 days
- Minimum Order Quantity: 1
- Unit of Measure: PK
- Package Length: 8.00
- Package Width: 6.00
- Package Height: 1.50
- Package Weight: 0.49
Product info last updated on January 19, 2026 8:31am UTC
Category: Sealing and Gasketing