508.00 × 7.00 mm (20.000 × 0.276 in) FFKM O-ring
O-ring size reference in mm and inch
FFKM O-ring product detail for 508.00 × 7.00 mm (20.000 × 0.276 in)
O-ring measurement guide in mm and inch
    508.00 × 7.00 mm (20.000 × 0.276 in) FFKM O-ring
    O-ring size reference in mm and inch
    FFKM O-ring product detail for 508.00 × 7.00 mm (20.000 × 0.276 in)
    O-ring measurement guide in mm and inch
508.00 × 7.00 mm (20.000 × 0.276 in) FFKM O-ring
O-ring size reference in mm and inch
FFKM O-ring product detail for 508.00 × 7.00 mm (20.000 × 0.276 in)
O-ring measurement guide in mm and inch
508.00 × 7.00 mm (20.000 × 0.276 in) FFKM O-ring
O-ring size reference in mm and inch
FFKM O-ring product detail for 508.00 × 7.00 mm (20.000 × 0.276 in)
O-ring measurement guide in mm and inch
    508.00 × 7.00 mm (20.000 × 0.276 in) FFKM O-ring
    O-ring size reference in mm and inch
    FFKM O-ring product detail for 508.00 × 7.00 mm (20.000 × 0.276 in)
    O-ring measurement guide in mm and inch
508.00 × 7.00 mm (20.000 × 0.276 in) FFKM O-ring
O-ring size reference in mm and inch
FFKM O-ring product detail for 508.00 × 7.00 mm (20.000 × 0.276 in)
O-ring measurement guide in mm and inch

O-Ring 508.00 × 7.00 mm · FFKM · 90A

508.00 × 7.00 mmFFKM90A

This specification is quote-only. Contact us for availability, MOQ, and pricing.

Quote required

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Quick Specifications

Inner Diameter (ID)508.00 mm
Cross Section (CS)7.00 mm
MaterialFFKM
Hardness90A
Purchase ModeQuote required
Pack OptionsContact us
Quote required for this specification

Not sure about the size?

Measure ID and CS

Match the Inner Diameter (ID) and Cross Section (CS) to your old O-ring before ordering.

Then choose the pack size that fits your needs.

View Size Guide How to Measure

Is FFKM right for your needs?

FFKM is used for highly demanding sealing conditions where extreme chemical or temperature resistance matters more than cost.

Good for

  • Aggressive chemicals
  • High temperature sealing
  • Specialist industrial use

Not recommended for

  • Price-sensitive general repairs
  • Low-cost replacement jobs

Common Applications

Chemical processingHigh-temperature sealingSpecialist maintenanceCritical equipment service

Need a larger quantity or a custom size?

Request a quote for quantities beyond the listed FFKM pack options.

Custom by Size or Drawing