3.40 × 1.90 mm (0.134 × 0.075 in) FFKM O-ring
O-ring size reference in mm and inch
FFKM O-ring product detail for 3.40 × 1.90 mm (0.134 × 0.075 in)
O-ring measurement guide in mm and inch
    3.40 × 1.90 mm (0.134 × 0.075 in) FFKM O-ring
    O-ring size reference in mm and inch
    FFKM O-ring product detail for 3.40 × 1.90 mm (0.134 × 0.075 in)
    O-ring measurement guide in mm and inch
3.40 × 1.90 mm (0.134 × 0.075 in) FFKM O-ring
O-ring size reference in mm and inch
FFKM O-ring product detail for 3.40 × 1.90 mm (0.134 × 0.075 in)
O-ring measurement guide in mm and inch
3.40 × 1.90 mm (0.134 × 0.075 in) FFKM O-ring
O-ring size reference in mm and inch
FFKM O-ring product detail for 3.40 × 1.90 mm (0.134 × 0.075 in)
O-ring measurement guide in mm and inch
    3.40 × 1.90 mm (0.134 × 0.075 in) FFKM O-ring
    O-ring size reference in mm and inch
    FFKM O-ring product detail for 3.40 × 1.90 mm (0.134 × 0.075 in)
    O-ring measurement guide in mm and inch
3.40 × 1.90 mm (0.134 × 0.075 in) FFKM O-ring
O-ring size reference in mm and inch
FFKM O-ring product detail for 3.40 × 1.90 mm (0.134 × 0.075 in)
O-ring measurement guide in mm and inch

O-Ring 3.40 × 1.90 mm · FFKM · 75A


3.40 × 1.90 mmFFKM75A

Buy O-Ring 3.40 × 1.90 mm · FFKM · 75A in ready-to-ship pack sizes for repair, maintenance, prototype work, and small-batch purchasing.

  • Material: FFKM
  • Hardness: 75 ShA
  • Size: 3.40 × 1.90 mm (0.134 × 0.075 in)
  • Pack options: 10 / 20 / 50 / 100 / 250 / 500 pcs
  • Use case: high-end sealing for aggressive chemicals and elevated temperatures
  • Standard reference: AS568 / international metric-style, where applicable.

For 1000+ pcs, special requirements, or custom dimensions, use Custom by Size or Drawing.

$24.92
$24.92
/ pack
10 / 20 / 50 / 100 / 250 / 500 pcs available
Unit reference updates after pack selection
Shipping calculated at checkout.
Pack Size:
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Need 1000+ pcs or a custom size?

Better pricing for volume orders

Custom by Size or Drawing
Need Help?
Custom by Size or Drawing MOQ 1000 pcs support@oxxring.com


Quick Specifications

Inner Diameter (ID)3.40 mm
Cross Section (CS)1.90 mm
MaterialFFKM
Hardness75A
Pack Options10 / 20 / 50 / 100 / 250 / 500 pcs
Custom MOQ1000+ pcs
Available for small-pack order

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 1000+ pcs or a custom size?

Custom by size or drawing available. Better pricing for volume orders.

Custom by Size or Drawing