PTFE Spiral Backup Ring (Dash 429)

PTFE Spiral Backup Ring (Dash 429)

These PTFE Backup Rings have a spiral shape which allows them to be easily installed like a Split Backup Ring, but offer better resistance to extrusion. They withstand high temperatures and are inert to nearly all oils and chemicals.

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  • ASTM 568 Dash Size: 429
  • Color: White
  • Cross Section (in): 0.275
  • Cross Section (mm): 6.99
  • Durometer: 55D
  • Grade: Standard
  • Hardness: Hard
  • ID (in): 4.975
  • ID (mm): 126.37
  • Inch/Metric: Inch
  • Material: PTFE
  • Outter Diameter (In): 5.525
  • Outter Diameter (mm): 140.34
  • Profile: Round
  • Temp Range: -65 to 500 (F)
  • ZBIGTSP429

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