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Size Chart
This table displays the actual sizes represented by the AS568
Standard Oring "Dash" size chart. Included are 5
different Cross-Sections (0.070 through 0.275 inches), Inside-Diameters
ranging from 0.029 to 18.955 inches and 20 Boss Fitting Sizes
(-9XX series).
Download the PDF
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Dash Number
|
I.D. (Inches)
|
Tol. +/-
|
C.S. (Inches)
|
Tol. +/-
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|
-001
|
.029
|
.004
|
0.040
|
.003
|
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-002
|
.042
|
.004
|
0.050
|
.003
|
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|
-003
|
.056
|
.004
|
0.060
|
.003
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-004
|
.070
|
.005
|
.070
|
.003
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|
-005
|
.101
|
.005
|
.070
|
.003
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-006
|
.114
|
.005
|
.070
|
.003
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-007
|
.145
|
.005
|
.070
|
.003
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-008
|
.176
|
.005
|
.070
|
.003
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|
-009
|
.208
|
.005
|
.070
|
.003
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-010
|
.239
|
.005
|
.070
|
.003
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-011
|
.301
|
.005
|
.070
|
.003
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-012
|
.364
|
.005
|
.070
|
.003
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-013
|
.426
|
.005
|
.070
|
.003
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-014
|
.489
|
.005
|
.070
|
.003
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-015
|
.551
|
.007
|
.070
|
.003
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-016
|
.614
|
.009
|
.070
|
.003
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-017
|
.676
|
.009
|
.070
|
.003
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-018
|
.739
|
.009
|
.070
|
.003
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-019
|
.801
|
.009
|
.070
|
.003
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-020
|
.864
|
.009
|
.070
|
.003
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-021
|
.926
|
.009
|
.070
|
.003
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-022
|
.989
|
.010
|
.070
|
.003
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-023
|
1.051
|
.010
|
.070
|
.003
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-024
|
1.114
|
.010
|
.070
|
.003
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-025
|
1.176
|
.011
|
.070
|
.003
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-026
|
1.239
|
.011
|
.070
|
.003
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-027
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1.301
|
.011
|
.070
|
.003
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-028
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1.364
|
.013
|
.070
|
.003
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-029
|
1.489
|
.013
|
.070
|
.003
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-030
|
1.614
|
.013
|
.070
|
.003
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-031
|
1.739
|
.015
|
.070
|
.003
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-032
|
1.864
|
.015
|
.070
|
.003
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-033
|
1.989
|
.018
|
.070
|
.003
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-034
|
2.114
|
.018
|
.070
|
.003
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-035
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2.239
|
.018
|
.070
|
.003
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-036
|
2.364
|
.018
|
.070
|
.003
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-037
|
2.489
|
.018
|
.070
|
.003
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-038
|
2.614
|
.020
|
.070
|
.003
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-039
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2.739
|
.020
|
.070
|
.003
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-040
|
2.864
|
.020
|
.070
|
.003
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-041
|
2.989
|
.024
|
.070
|
.003
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-042
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3.239
|
.024
|
.070
|
.003
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-043
|
3.489
|
.024
|
.070
|
.003
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-044
|
3.739
|
.027
|
.070
|
.003
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-045
|
3.989
|
.027
|
.070
|
.003
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-046
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4.239
|
.030
|
.070
|
.003
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-047
|
4.489
|
.030
|
.070
|
.003
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-048
|
4.739
|
.030
|
.070
|
.003
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|
-049
|
4.989
|
.037
|
.070
|
.003
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|
-050
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5.239
|
.037
|
.070
|
.003
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Dash Number
|
I.D. (Inches)
|
Tol. +/-
|
C.S. (Inches)
|
Tol. +/-
|
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|
-102
|
.049
|
.005
|
.103
|
.003
|
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-103
|
.081
|
.005
|
.103
|
.003
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-104
|
.112
|
.005
|
.103
|
.003
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-105
|
.143
|
.005
|
.103
|
.003
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-106
|
.174
|
.005
|
.103
|
.003
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-107
|
.206
|
.005
|
.103
|
.003
|
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-108
|
.237
|
.005
|
.103
|
.003
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-109
|
.299
|
.005
|
.103
|
.003
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-110
|
.362
|
.005
|
.103
|
.003
|
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|
-111
|
.424
|
.005
|
.103
|
.003
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-112
|
.487
|
.005
|
.103
|
.003
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-113
|
.549
|
.007
|
.103
|
.003
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|
-114
|
.612
|
.009
|
.103
|
.003
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|
-115
|
.674
|
.009
|
.103
|
.003
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-116
|
.737
|
.009
|
.103
|
.003
|
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-117
|
.799
|
.010
|
.103
|
.003
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|
-118
|
.862
|
.010
|
.103
|
.003
|
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|
-119
|
.924
|
.010
|
.103
|
.003
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|
-120
|
.987
|
.010
|
.103
|
.003
|
|
|
-121
|
1.049
|
.010
|
.103
|
.003
|
|
|
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|
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|
-122
|
1.112
|
.010
|
.103
|
.003
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|
-123
|
1.174
|
.012
|
.103
|
.003
|
|
|
-124
|
1.237
|
.012
|
.103
|
.003
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|
|
-125
|
1.299
|
.012
|
.103
|
.003
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|
-126
|
1.362
|
.012
|
.103
|
.003
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|
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-127
|
1.424
|
.012
|
.103
|
.003
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-128
|
1.487
|
.012
|
.103
|
.003
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|
-129
|
1.549
|
.015
|
.103
|
.003
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|
-130
|
1.612
|
.015
|
.103
|
.003
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-131
|
1.674
|
.015
|
.103
|
.003
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|
-132
|
1.737
|
.015
|
.103
|
.003
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|
-133
|
1.799
|
.015
|
.103
|
.003
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|
|
-134
|
1.862
|
.015
|
.103
|
.003
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|
-135
|
1.925
|
.017
|
.103
|
.003
|
|
|
-136
|
1.987
|
.017
|
.103
|
.003
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|
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|
-137
|
2.050
|
.017
|
.103
|
.003
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|
-138
|
2.112
|
.017
|
.103
|
.003
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|
-139
|
2.175
|
.017
|
.103
|
.003
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|
-140
|
2.237
|
.017
|
.103
|
.003
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|
-141
|
2.300
|
.020
|
.103
|
.003
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|
-142
|
2.362
|
.020
|
.103
|
.003
|
|
|
-143
|
2.425
|
.020
|
.103
|
.003
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|
-144
|
2.487
|
.020
|
.103
|
.003
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|
-145
|
2.550
|
.020
|
.103
|
.003
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|
-146
|
2.612
|
.020
|
.103
|
.003
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|
-147
|
2.675
|
.022
|
.103
|
.003
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|
-148
|
2.737
|
.022
|
.103
|
.003
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|
-149
|
2.800
|
.022
|
.103
|
.003
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|
-150
|
2.862
|
.022
|
.103
|
.003
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|
-151
|
2.987
|
.024
|
.103
|
.003
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|
-152
|
3.237
|
.024
|
.103
|
.003
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|
-153
|
3.487
|
.024
|
.103
|
.003
|
|
|
-154
|
3.737
|
.028
|
.103
|
.003
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|
-155
|
3.987
|
.028
|
.103
|
.003
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|
-156
|
4.237
|
.030
|
.103
|
.003
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|
-157
|
4.487
|
.030
|
.103
|
.003
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|
|
-158
|
4.737
|
.030
|
.103
|
.003
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|
|
-159
|
4.987
|
.035
|
.103
|
.003
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|
|
-160
|
5.237
|
.035
|
.103
|
.003
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|
|
-161
|
5.487
|
.035
|
.103
|
.003
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|
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|
-162
|
5.737
|
.035
|
.103
|
.003
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|
-163
|
5.987
|
.035
|
.103
|
.003
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