Buna-n o-ring-dash 389 - pack of 1 buna-n is the most commonly used o-ring material due to it's strength and durability. Suitable for a broad range of fluids including oils, water, and mild chemicals.
- Brand Usa sealing
- Manufacturers part number Zusah70389
- Package quantity 1
- Material Buna-n
- Color finish Black
- Dash size 389
- Durometer 70a
- Id (actual) 19.955"
- Id (fractional) 20"
- Od (actual) 20.375"
- Od (fractional) 20-3/8"
- Cross section (actual) 0.21"
- Cross section (fractional) 3/16"
- Temperature range -40 to 250 (f)
- Grade Standard
- Hardness Standard
- Inch/metric Inch
