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Aluminum Stat-O-Seal Sealing Washers

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Our special aluminum Stat-O-Seals are much more reliable than the more common steel version. Even if the rubber portion fails to make contact all around the port, the aluminum acts as a crush washer, providing a reliable metal-on-metal seal.

Each Stat-O-Seal has a Buna-N inner seal bonded to the center of the aluminum washer. The Buna-N rubber is resistant to water, oil, and petroleum fuels (not for use with brake fluid). Use them to seal screws, bolts, or plumbing fittings. The rubber insert is molded to be slightly thicker than the washer, though not quite as thick as a standard rubber O-ring. Stat-O-Seals should not be used to replace O-rings on chamfered ports.

Sold individually.

Stat-O-Seal Dimensions
Nominal
Size
#10 1/4" 5/16" 3/8" 7/16" 1/2" 9/16" 5/8" 3/4" 7/8" 1.00"
ID 0.190" (3/16")
4.8mm
0.250"
6.4mm
0.312"
7.9mm
0.375"
9.5mm
0.437"
11.1mm
0.500"
12.7mm
0.562"
14.3mm
0.625"
15.9mm
0.750"
19mm
0.875"
22.2mm
1"
24.5mm
Equivalent AN Size
(Plumbing Fittings)
- - - 3AN 4AN - 6AN - 8AN 10AN -
AN Size
(Bolts)
AN3 AN4 AN5 AN6 AN7 AN8 AN9 AN10 - - -
OD 0.44" 0.50" 0.60" 0.66" 0.76" 0.88" 1.06" 1.19" 1.32" 1.51" 1.76"
Thickness
(Aluminum)
0.050" 0.050" 0.050" 0.050" 0.050" 0.050" 0.050" 0.050" 0.065" 0.065" 0.065"
Thickness
(Rubber)
0.072" 0.075" 0.075" 0.072" 0.073" 0.075" 0.075" 0.075" 0.095" 0.095" 0.095"


Tip: Installing a 1/4" ID Stat-O-Seal under the pressure adjuster locknut on the FF1600 dry sump pump can help to minimize that pesky oil leak!

Enter desired order quantities below, then click the "Add selected quantities to cart" button.

Order Qty
Part No.
Desc.
Price
Status

3245-10
Condition: New

Stat-O-Seal, #10 Screw Size (0.190 inch), Aluminum

1 to 11: $0.89

12 to 149: $0.79

150 & up: $0.68

In Stock

3245-1/4
Condition: New

Stat-O-Seal, 1/4 inch Size, Aluminum

1 to 9: $1.29

10 to 99: $1.15

100 to 999: $1.00

1000 & up: call   

In Stock

3245-5/16
Condition: New

Stat-O-Seal, 5/16 inch Size, Aluminum

1 to 9: $1.59

10 to 99: $1.41

100 to 999: $1.23

1000 & up: call   

In Stock

3245-3/8
Condition: New

Stat-O-Seal, 3/8 inch Size, Aluminum

1 to 9: $1.59

10 to 99: $1.41

100 & up: $1.23

In Stock

3245-7/16
Condition: New

Stat-O-Seal, 7/16 inch Size, Aluminum

1 to 9: $1.59

10 to 99: $1.41

100 & up: $1.23

In Stock

3245-1/2
Condition: New

Stat-O-Seal, 1/2 inch Size, Aluminum

1 to 9: $1.59

10 to 99: $1.41

100 & up: $1.23

In Stock

3245-9/16
Condition: New

Stat-O-Seal, 9/16 inch Size, Aluminum

1 to 9: $2.19

10 to 99: $1.95

100 & up: $1.71

In Stock

3245-5/8
Condition: New

Stat-O-Seal, 5/8 inch Size, Aluminum

1 to 9: $2.09

10 to 99: $1.86

100 & up: $1.63

In Stock

3245-3/4
Condition: New

Stat-O-Seal, 3/4 inch Size, Aluminum

1 to 9: $2.09

10 to 99: $1.86

100 & up: $1.63

In Stock

3245-7/8
Condition: New

Stat-O-Seal, 7/8 inch Size, Aluminum

1 to 9: $2.99

10 to 99: $2.67

100 & up: $2.35

In Stock

3245-1.00
Condition: New

Stat-O-Seal, 1.00 inch Size, Aluminum

1 to 7: $3.19

8 to 59: $2.85

60 & up: $2.51

In Stock
 
Related Product Groups
Sealing Washers & O-Rings

Definitely buy again.

5

Used it to seal up some fittings in my fuel system

Dave

Detroit, Mi

Great product to seal that pesty leak

5

This product looks and feels of quality

Stand out be seen

Seattle WA

Good washer at good price

5

Used this to seal cam cap bolts on my Ls430. They work perfect

Kyle

Savannah, TN

Great washer and seal

5

Looked for a washer that would work for my modified fuel system and ran across these. WOW! Awesome washer and seal, worked absolutely perfect for what I was doing. Will definitely buy more of these for future projects.

Tom

Arizona

true

They worked as intended.

5

I'll buy them again.

Vince from Gezzer Garage LLC

NT,NY

true

A little bit extra...

5

I've always preferred the little "extra" with the o-ring in Stat-O-Seals, over standard crush washers.

pacratt

Burr Ridge, Illinois

true

Good Stuff

5

These seals solved my intake manifold bolt oil leak issue. I've used them before on aircraft fuel systems (at a much higher price!) and figured they'd do a fine job in the automotive world, too.

Stratohammer

In the Heart of Flyover Country

true

high quality

5

Excellent one time oil sealing on bolts.

Fluidray

Newberg, OR

true

thank you

5

good job

jer

albuquerque nm

true

washers

5

I sell these and the customers seem happy

jessh1

Belvidere,NJ

true

Aluminum Stat-O-Seal Sealing Washers

4.9 19

100.0