Silicone O-Rings | McMaster-Carr

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Material

18-8 Stainless Steel

Core Material

Silicone Rubber

Cross Section Shape

System of Measurement

ID

Width

Color

OD

Dash Number

Hardness

Hardness Rating

Maximum Temperature

250° F to 299° F

300° F to 499° F

500° F to 999° F

Fractional Width

Fractional ID

Fractional OD

For Use With

Diluted Salt Solutions

Fluorinated Solvents

Synthetic Lubricants

Transmission Fluid

Acetic Acid (White Vinegar)

Ammonium Hydroxide

Food Industry Standard

3-A Certified 18-03

Minimum Temperature

-249° F to -100° F

-99° F to -50° F

Core Color

REACH

RoHS

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Specifications Met

Thickness

0.019" to 0.043"

0.021" to 0.041"

0.047" to 0.109"

0.052" to 0.072"

0.078" to 0.105"

0.083" to 0.103"

1.320 mm to 1.820 mm

O-Ring Material

Silicone Rubber

How can we improve?

1,803 Products

Sealing

O-Rings

Fit snugly into a groove between parts to create a leak-resistant seal

O-Ring Cord Stock

O-Ring Cord Stock

Cut to length to create customized seals

Raw Materials

Foam

Pockets of air make it lighter in weight than rubber; good for packing, insulating, and sealing

Fastening and Joining

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

Fluid Handling

Tube and Tube Fittings

Tube and Tube Fittings

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)