O-Ring, Dash 344, Buna N, 0.21 In., PK25 MPN:GR-N70344/25
O-Ring, Dash 344, Buna N, 0.21 In., PK25
This high-quality O-Ring is designed for use in extreme temperatures, with a temperature range of -40°F to 250°F, making it ideal for applications in harsh environments. The Buna N material provides excellent resistance to oil, fuel, and chemicals, ensuring a long-lasting seal. With a medium-hard durometer rating, this O-Ring is perfect for use in hydraulic systems, fuel systems, and other applications where a reliable seal is critical. Its compact size and versatile design make it suitable for a wide range of industries, including automotive, aerospace, and industrial manufacturing.
Top product features:
- Meets or exceeds ASTM D2000 and SAE J200 standards
- Has a temperature range of -40 degrees to 250 degrees F
- Is made of Buna N, a medium-hard material with a 70A durometer rating
Top product applications:
- Sealing hydraulic systems
- Sealing pneumatic systems
- Sealing oil and fuel systems
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 7/8 in, Nominal Width 3/16 in, Actual Inside Dia. 3.85 in, Actual Width 0.21 in, Dash Number 344, Color Black, Durometer 70A, Meets/Exceeds ASTM D2000, SAE J200, Nominal Outside Dia. 4 1/4 in, Actual Outside Dia. 4.27 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: 5.50
- Package Height: 1.50
- Package Weight: 0.50
Product info last updated on February 20, 2026 8:44am UTC
Category: Sealing and Gasketing