FDA Standard Sealing Washers | McMaster-Carr

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System of Measurement

ID

Screw Size

Material

Stainless Steel

OD

Thickness

0.019" to 0.043"

0.021" to 0.041"

0.026" to 0.036"

0.046" to 0.078"

0.047" to 0.077"

0.052" to 0.072"

0.078" to 0.105"

0.083" to 0.103"

1.168 mm to 1.981 mm

1.190 mm to 1.950 mm

1.320 mm to 1.820 mm

Color

Environment

Food and Beverage

Hardness

Washer Type

Cross Section Shape

Width

Maximum Temperature

Less than 250° F

250° F to 299° F

300° F to 399° F

400° F to 499° F

500° F or greater

Performance

Chemical Resistant

Corrosion Resistant

High Temperature

Low Temperature

Metal Detectable

Weather Resistant

X-Ray Detectable

Food Industry Standard

3-A Sanitary Standard

FDA Compliant 21 CFR 177.1550

FDA Compliant 21 CFR 177.2600

Dash Number

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

Core Material

Silicone Rubber

For Use With

Diluted Salt Solutions

Fluorinated Solvents

Synthetic Lubricants

Transmission Fluid

Acetic Acid (White Vinegar)

Ammonium Hydroxide

Hardness Rating

RoHS

REACH

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Shape

Application

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2,186 Products

Sealing Washers

Sealing Washers

Sealing Washers

Choose from rubber, PTFE, hard fiber, or metal

Sanitary Bonded Sealing Washers

Sanitary Bonded Sealing Washers

Free of nooks and crannies where dirt and bacteria could collect

Other Products

O-Rings

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

Spacers

Unthreaded to create space between two surfaces or objects, often to align them

Grommets

Protect wire, cable, and cords from holes with sharp or rough edges

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