Food O-Rings | McMaster-Carr

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System of Measurement

ID

Cross Section Shape

Dash Number

OD

Material

316 Stainless Steel

Molybdenum Disulfide

Silicon Carbide

Width

Unit Price

Core Material

Silicone Rubber

Maximum Temperature

Less than 250° F

250° F to 299° F

300° F to 499° F

500° F to 999° F

Color

Environment

Food and Beverage

Minimum Temperature

-250° F or less

-249° F to -100° F

-99° F to -50° F

-49° F to -1° F

Greater than 0° F

Food Industry Standard

3-A Certified 18-03

Hardness Rating

Fractional ID

Hardness

Fractional OD

Core Color

Fractional Width

Core Hardness

RoHS

REACH

DFARS Specialty Metals

Export Control Classification Number (ECCN)

How can we improve?

1,051 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

Rod Seals

Maintain pressure inside cylinders and prevent fluid leaks

Piston Seals

Prevent leaks inside pistons by creating a seal against the cylinder bore

Packing Seals

Fill in gaps around pump shafts, valve stems, and agitators to prevent leaks

Rod Wipers

Scrape dirt off rods to keep the inside of cylinders clean

Buffering Seals

Buffering Seals

Protect hydraulic cylinders from pressure spikes and shock in high-pressure applications

U-Cup Seals

With a lip on both the inside and outside edges, they can be used for sealing rods and pistons

Shaft Seals

Prevent leaks in motors, pumps, and gearboxes

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