
PTFE Single Turn Backup Ring (Dash 437)
These PTFE Backup Rings are split which allows them to be easily installed around a rod or piston. They withstand high temperatures and are inert to nearly all oils and chemicals.
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- ASTM 568 Dash Size: 437
- Color: White
- Cross Section (in): 0.275
- Cross Section (mm): 6.99
- Durometer: 55D
- Grade: Standard
- Hardness: Hard
- ID (in): 5.975
- ID (mm): 151.77
- Inch/Metric: Inch
- Material: PTFE
- Outter Diameter (In): 6.525
- Outter Diameter (mm): 165.74
- Profile: Round
- Temp Range: -65 to 500 (F)
- ZBIGTST437