U Seals | McMaster-Carr

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Seal ID

Seal OD

Seal Width

Inside Width

1/16" to 11/64"

5/64" to 13/64"

Material

Stainless Steel

For Use With

Diluted Salt Solutions

Synthetic Lubricants

Transmission Fluid

Ammonium Hydroxide

Color

Black/Fluorescent Yellow

Mount Type

Groove Width

Bore Diameter

For Cylinder Type

Rod Diameter

Groove Diameter

Flexibility

Hardness

Maximum Temperature

Less than 200° F

200° F to 249° F

250° F to 299° F

300° F to 499° F

500° F or greater

For Sealing

Hardness Rating

Outside Height

Cylinder Seal Type

Fits Edge Thickness

Length

RoHS

REACH

DFARS Specialty Metals

Export Control Classification Number (ECCN)

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706 Products

U-Cup Seals

O-Ring-Loaded U-Cup Seals

O-Ring-Loaded U-Cup Seals

An O-ring forms a better seal at lower pressures than unsupported U-cups
Also known as PolyPaks

High-Stability O-Ring-Loaded U-Cup Seals

High-Stability O-Ring-Loaded U-Cup Seals

Wider than our other O-ring-loaded U-cups for improved stability
Also known as PolyPaks

High-Pressure U-Cup Seals

High-Pressure U-Cup Seals

Handle over 80 times more pressure than our Buna-N U-cup seals

U-Cup Seals

Create less friction than O-ring-loaded U-cups, so they wear more slowly

Other Products

Edge Trim

Install on panels, boards, signs, and mirrors to protect edges from impact

Edge Seals

Block dust, water, and wind from entering the gaps around doors and windows

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