Hard Buna-N O-Ring (Dash 389)
Hard Buna-N O-Rings are better suited for higher pressures and abrasion than other Buna-N O-Rings. They are suitable for a broad range of fluids including oils, water, and mild chemicals.
*Please contact service@usasealing.com or call 1-844-365-7315 to learn about pricing and purchase minimums*Details
- ASTM 568 Dash Size: 389
- Color: Black
- Cross Section (in): 0.21
- Cross Section (mm): 5.33
- Durometer: 90A
- Grade: Standard
- Hardness: Hard
- ID (in): 19.955
- ID (mm): 506.86
- Inch/Metric: Inch
- Material: Buna-N
- Outter Diameter (In): 20.375
- Outter Diameter (mm): 517.53
- Profile: Round
- Temp Range: -40 to 250 (F)
- ZUSAH90389
