Durometer 55D O-Rings | McMaster-Carr

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Core Material

Silicone Rubber

Viton® Fluoroelastomer

Cross Section Shape

Dash Number

ID

OD

Width

Material

For Use With

Diluted Salt Solutions

Fluorinated Solvents

Synthetic Lubricants

Transmission Fluid

Acetic Acid (White Vinegar)

Ammonium Hydroxide

Maximum Temperature

300° F to 499° F

500° F to 999° F

Core Color

System of Measurement

Minimum Temperature

-250° F or less

-249° F to -100° F

-99° F to -50° F

-49° F to -1° F

Color

Fractional ID

Hardness Rating

Core Hardness

Fractional OD

Fractional Width

Thickness

Environment

Food and Beverage

Food Industry Standard

FDA Compliant 21 CFR 177.1550

FDA Compliant 21 CFR 177.2600

DFARS Specialty Metals

RoHS

REACH

Export Control Classification Number (ECCN)

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Sealing

O-Rings

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

Backup Rings

Extend the life of O-rings and improve their performance under high pressure

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