PTFE Single Turn Backup Ring (Dash 437)

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

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