PTFE Spiral Backup Ring (Dash 244)

PTFE Spiral Backup Ring (Dash 244)

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: 244
  • Color: White
  • Cross Section (in): 0.139
  • Cross Section (mm): 3.53
  • Durometer: 55D
  • Grade: Standard
  • Hardness: Hard
  • ID (in): 4.234
  • ID (mm): 107.54
  • Inch/Metric: Inch
  • Material: PTFE
  • Outter Diameter (In): 4.512
  • Outter Diameter (mm): 114.6
  • Profile: Round
  • Temp Range: -65 to 500 (F)
  • ZBIGTSP244

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