101.50 × 3.50 mm (3.996 × 0.138 in) NBR O-ring
O-ring size reference in mm and inch
NBR O-ring product detail for 101.50 × 3.50 mm (3.996 × 0.138 in)
O-ring measurement guide in mm and inch
    101.50 × 3.50 mm (3.996 × 0.138 in) NBR O-ring
    O-ring size reference in mm and inch
    NBR O-ring product detail for 101.50 × 3.50 mm (3.996 × 0.138 in)
    O-ring measurement guide in mm and inch
101.50 × 3.50 mm (3.996 × 0.138 in) NBR O-ring
O-ring size reference in mm and inch
NBR O-ring product detail for 101.50 × 3.50 mm (3.996 × 0.138 in)
O-ring measurement guide in mm and inch
101.50 × 3.50 mm (3.996 × 0.138 in) NBR O-ring
O-ring size reference in mm and inch
NBR O-ring product detail for 101.50 × 3.50 mm (3.996 × 0.138 in)
O-ring measurement guide in mm and inch
    101.50 × 3.50 mm (3.996 × 0.138 in) NBR O-ring
    O-ring size reference in mm and inch
    NBR O-ring product detail for 101.50 × 3.50 mm (3.996 × 0.138 in)
    O-ring measurement guide in mm and inch
101.50 × 3.50 mm (3.996 × 0.138 in) NBR O-ring
O-ring size reference in mm and inch
NBR O-ring product detail for 101.50 × 3.50 mm (3.996 × 0.138 in)
O-ring measurement guide in mm and inch

O-Ring 101.50 × 3.50 mm · NBR · 90A


101.50 × 3.50 mmNBR90A

Buy O-Ring 101.50 × 3.50 mm · NBR · 90A in ready-to-ship pack sizes for repair, maintenance, prototype work, and small-batch purchasing.

  • Material: NBR
  • Hardness: 90 ShA
  • Size: 101.50 × 3.50 mm (3.996 × 0.138 in)
  • Pack options: 10 / 20 / 50 / 100 / 250 / 500 pcs
  • Use case: general-purpose sealing with good oil and fuel resistance
  • Standard reference: AS568 / international metric-style, where applicable.

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

$21.64
$21.64
/ 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)101.50 mm
Cross Section (CS)3.50 mm
MaterialNBR
Hardness90A
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 NBR right for your needs?

NBR (nitrile rubber) is a practical choice for general sealing where oil, grease, or fuel resistance matters.

Good for

  • Oil & fuel contact
  • General sealing jobs
  • Automotive / machinery use

Not recommended for

  • Ozone / UV exposure
  • Long-term outdoor use

Common Applications

Hydraulic fittingsPumps & valvesAutomotive repairGeneral workshop sealing

Need 1000+ pcs or a custom size?

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

Custom by Size or Drawing