Blue O-Rings | McMaster-Carr

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Color

System of Measurement

ID

Dash Number

Material

316 Stainless Steel

Cross Section Shape

OD

Width

Hardness

Minimum Temperature

-250° F or less

-99° F to -50° F

-49° F to -1° F

Greater than 0° F

Seal ID

For Use With

Diluted Salt Solutions

Synthetic Lubricants

Transmission Fluid

Acetic Acid (White Vinegar)

Ammonium Hydroxide

Calcium Hydroxide

Hardness Rating

Seal OD

Maximum Temperature

Less than 250° F

250° F to 299° F

300° F to 499° F

500° F to 999° F

Fractional ID

Fractional Width

Specifications Met

ISO 6195 Type C

NFPA (National Fluid Power Association) Standard

Military Specification

Seal Width

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Fractional OD

DFARS Specialty Metals

REACH

Export Control Classification Number (ECCN)

RoHS

How can we improve?

648 Products

Sealing

O-Rings

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

Rod Wipers

Scrape dirt off rods to keep the inside of cylinders clean

Head Seals

Maintain a seal even under fluctuating pressure; more reliable than an O-ring with a backup ring

Piston Seals

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

Tube Fitting Gaskets

Tube Fitting Gaskets

Prevent leaks when connecting sanitary tube fittings

Fastening and Joining

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

Power Transmission

Round Belts

Flexible to send rotary power between unparallel shafts

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