Silicone O-ring

O-Ring 1.40 × 0.81 mm · Silicone · 70A

  • ID1.40 mm0.055 in
  • CS0.81 mm0.032 in
  • MaterialSilicone
  • Hardness70 Shore A

OXXRING SKU OXX-OR-1P4-0P81-SILICONE-70A-P10

O-Ring 1.40 × 0.81 mm · Silicone · 70A
Representative image. Colour can differ by compound.
ID 1.40 mm CS 0.81 mm SECTION
Nominal dimensions. Drawing is proportional, not to scale.

Same size, other grades

  • Silicone 70A
Compare every grade at this size →
Available to order
$4.99for 10 pcs

$0.50 per piece

1 pack × 10 pcs = 10 pieces · $4.99

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  • Price is the total for the pack. Taxes and shipping are calculated at checkout.

Need 1,000+ or a different spec? Bulk quote

Standard items: returns per our Refund Policy. Custom items are made to order.

Specifications

Inside diameter (ID)1.40 mm · 0.055 in
Cross section (CS)0.81 mm · 0.032 in
Material familySilicone
Hardness70 Shore A
OXXRING SKUOXX-OR-1P4-0P81-SILICONE-70A-P10
OrderingBuy online
Check chemical compatibility for Silicone Check this size in a groove

Check this size for your application

Free engineering tools, already filled in with 1.40 × 0.81 mm Silicone.

Engineer ProRod, piston, face or dynamic seal: squeeze, extrusion and pressure for this exact ring Material selectorMedia, temperature and pressure to the right family Size cross-referenceThis size in AS568, JIS and BS terms CalculatorsWeight, cord length and stretch

Silicone material notes

Usually a good starting point for

Ozone/weathering and salt-solution service; water service may be considered conditionally.

Review before use with

Review fuels, aromatic/chlorinated hydrocarbons, steam, acids, alkalis and silicone-fluid service.

Family-level screening, not an approval of a specific compound. Screen a chemical or ask for a material check.

Questions about this O-ring

How do I confirm this is the right size?

Measure the inside diameter and the cross section of the ring you are replacing, or read them from the drawing. This listing is 1.40 × 0.81 mm. For a used ring, measure in several places; wear and swelling change the dimensions. Measurement guide

How is the price calculated?

The price shown is the total for one pack. The per-piece price is shown beside it for comparison. Choose how many packs you need; taxes and shipping are calculated at checkout.

Can I order a quantity that is not in the pack list?

Yes. Order several packs, or request a quote for larger or scheduled quantities.