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SAE AS568B - 900 Series
Aerospace Size Standards for Straight Thread Tube Fitting Boss Gaskets.

Dimensions are shown in inches.
Show this table in mm.

O-Ring Designation

Nominal Tube Size

Actual I.D.

Actual C.S.

Volume (Ref)
(in³)

AS568-901

.0938

.185

±.005

.056

±.003

.0019

AS568-902

.1250

.239

±.005

.064

±.003

.0031

AS568-903

.1875

.301

±.005

.064

±.003

.0037

AS568-904

.2500

.351

±.005

.072

±.003

.0054

AS568-905

.3125

.414

±.005

.072

±.003

.0062

AS568-906

.3750

.468

±.005

.078

±.003

.0082

AS568-907

.4375

.530

±.007

.082

±.003

.0102

AS568-908

.5000

.644

±.009

.087

±.003

.0137

AS568-909

.5625

.706

±.009

.097

±.003

.0186

AS568-910

.6250

.755

±.009

.097

±.003

.0198

AS568-911

.6875

.863

±.009

.116

±.004

.0325

AS568-912

.7500

.924

±.009

.116

±.004

.0345

AS568-913

.1825

.986

±.010

.116

±.004

.0366

AS568-914

.8750

1.047

±.010

.116

±.004

.0386

AS568-916

1.0000

1.171

±.010

.116

±.004

.0427

AS568-918

1.1250

1.355

±.012

.116

±.004

.0488

AS568-920

1.2500

1.475

±.014

.118

±.004

.0547

AS568-924

1.5000

1.720

±.014

.118

±.004

.0631

AS568-928

1.7500

2.090

±.018

.118

±.004

.0759

AS568-932

2.0000

2.338

±.019

.118

±.004

.0843

Dimensions are shown in inches.
Show this table in mm.

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