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Dowty Sealing Washer for BSP Ports

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Dowty Sealing Washers can be used to seal male threaded adapters in flat BSP ports. If the port is chamfered, use one of our BSP O-Ring Seals (Part No. 3243-Size).

Note: BSP nomenclature can be confusing because the nominal size refers to the inside diameter of the pipe, not the outside diameter of the threads. If you are not sure what size you need, check in our Threaded Fitting Guide.

Dowty Sealing Washer Dimensions
BSP SizeIDOD
1/8 BSP0.38"0.60"
1/4 BSP0.51"0.80"
3/8 BSP0.66"0.94"
1/2 BSP0.84"1.13"
5/8 BSP0.91"1.25"
3/4 BSP1.07"1.37"

Order Qty

Part No.

Desc.

Price

Status

3240-1/2BSP

Dowty Sealing Washer for 1/2 BSP Ports

1 to 7: $4.99

8 to 59: $4.48

60 & up: $3.97

In Stock

3240-1/4BSP

Dowty Sealing Washer for 1/4 BSP Ports

1 to 9: $1.69

10 to 99: $1.50

100 & up: $1.31

In Stock

3240-1/8BSP

Dowty Sealing Washer for 1/8 BSP Ports

1 to 9: $1.69

10 to 99: $1.50

100 & up: $1.31

In Stock

3240-3/4BSP

Dowty Sealing Washer for 3/4 BSP Ports

1 to 7: $4.99

8 to 59: $4.48

60 to 499: $3.97

500 & up: $3.46

In Stock

3240-3/8 BSP

Dowty Sealing Washer for 3/8 BSP Ports

1 to 7: $4.99

8 to 59: $4.48

60 to 499: $3.97

500 & up: $3.46

In Stock

3240-5/8BSP

Dowty Sealing Washer for 5/8 BSP Ports

1 to 7: $4.99

8 to 59: $4.48

60 & up: $3.97

In Stock