.139″ C/S

.139″ Cross Section O-Rings (Nominal Size 1/8″ Cross Section)

Actual Inches
Actual Millimeters
AS 568
Dash #
Inside
Diameter
Tol.
Cross
Section
Tol.
Inside
Diameter
Tol.
Cross
Section
Tol.
-201
.171
.005
.139
.004
4.34
0.13
3.53
.010
-202
.234
.005
.139
.004
5.94
0.13
3.53
.010
-203
.296
.005
.139
.004
7.52
0.13
3.53
.010
-204
.359
.005
.139
.004
9.12
0.13
3.53
.010
-205
.421
.005
.139
.004
10.69
0.13
3.53
.010
-206
.484
.005
.139
.004
12.29
0.13
3.53
.010
-207
.546
.007
.139
.004
13.87
0.18
3.53
.010
-208
.609
.009
.139
.004
15.47
0.23
3.53
.010
-209
.671
.009
.139
.004
17.04
0.23
3.53
.010
-210
.734
.010
.139
.004
18.64
0.25
3.53
.010
-211
.796
.010
.139
.004
20.22
0.25
3.53
.010
-212
.859
.010
.139
.004
21.82
0.25
3.53
.010
-213
.921
.010
.139
.004
23.39
0.25
3.53
.010
-214
.984
.010
.139
.004
24.99
0.25
3.53
.010
-215
1.046
.010
.139
.004
26.57
0.25
3.53
.010
-216
1.109
.012
.139
.004
28.17
0.30
3.53
.010
-217
1.171
.012
.139
.004
29.74
0.30
3.53
.010
-218
1.234
.012
.139
.004
31.34
0.30
3.53
.010
-219
1.296
.012
.139
.004
32.92
0.30
3.53
.010
-220
1.359
.012
.139
.004
34.52
0.30
3.53
.010
-221
1.421
.012
.139
.004
36.09
0.30
3.53
.010
-222
1.484
.015
.139
.004
37.69
0.38
3.53
.010
-223
1.609
.015
.139
.004
40.87
0.38
3.53
.010
-224
1.734
.015
.139
.004
44.04
0.38
3.53
.010
-225
1.859
.018
.139
.004
47.22
0.46
3.53
.010
-226
1.984
.018
.139
.004
50.39
0.46
3.53
.010
-227
2.109
.018
.139
.004
53.57
0.46
3.53
.010
-228
2.234
.020
.139
.004
56.74
0.51
3.53
.010
-229
2.359
.020
.139
.004
59.92
0.51
3.53
.010
-230
2.484
.020
.139
.004
63.09
0.51
3.53
.010
-231
2.609
.020
.139
.004
66.27
0.51
3.53
.010
-232
2.734
.024
.139
.004
69.44
0.61
3.53
.010
-233
2.859
.024
.139
.004
72.62
0.61
3.53
.010
-234
2.984
.024
.139
.004
75.79
0.61
3.53
.010
-235
3.109
.024
.139
.004
78.97
0.61
3.53
.010
-236
3.234
.024
.139
.004
82.14
0.61
3.53
.010
-237
3.359
.024
.139
.004
85.32
0.61
3.53
.010
-238
3.484
.024
.139
.004
88.49
0.61
3.53
.010
-239
3.609
.024
.139
.004
91.67
0.61
3.53
.010
-240
3.734
.028
.139
.004
94.84
0.71
3.53
.010
-241
3.859
.028
.139
.004
98.02
0.71
3.53
.010
-242
3.984
.028
.139
.004
101.19
0.71
3.53
.010
-243
4.109
.028
.139
.004
104.37
0.71
3.53
.010
-244
4.234
.030
.139
.004
107.54
0.76
3.53
.010
-245
4.359
.030
.139
.004
110.72
0.76
3.53
.010
-246
4.484
.030
.139
.004
113.89
0.76
3.53
.010
247
4.609
.030
.139
.004
117.07
0.76
3.53
.010
-248
4.734
.030
.139
.004
120.24
0.76
3.53
.010
-249
4.859
.035
.139
.004
123.42
0.89
3.53
.010
-250
4.984
.035
.139
.004
126.59
0.89
3.53
.010
-251
5.109
.035
.139
.004
129.77
0.89
3.53
.010
-252
5.234
.035
.139
.004
132.94
0.89
3.53
.010
-253
5.359
.035
.139
.004
136.12
0.89
3.53
.010
-254
5.484
.035
.139
.004
139.29
0.89
3.53
.010
-255
5.609
.035
.139
.004
142.47
0.89
3.53
.010
-256
5.734
.035
.139
.004
145.64
0.89
3.53
.010
-257
5.859
.035
.139
.004
148.82
0.89
3.53
.010
-258
5.984
.035
.139
.004
151.99
0.89
3.53
.010
-259
6.234
.040
.139
.004
158.34
1.02
3.53
.010
-260
6.484
.040
.139
.004
164.69
1.02
3.53
.010
-261
6.734
.040
.139
.004
171.04
1.02
3.53
.010
-262
6.984
.040
.139
.004
177.39
1.02
3.53
.010
-263
7.234
.045
.139
.004
183.74
1.14
3.53
.010
-264
7.484
.045
.139
.004
190.09
1.14
3.53
.010
-265
7.734
.045
.139
.004
196.44
1.14
3.53
.010
-266
7.984
.045
.139
.004
202.79
1.14
3.53
.010
-267
8.234
.050
.139
.004
209.14
1.27
3.53
.010
-268
8.484
.050
.139
.004
215.49
1.27
3.53
.010
-269
8.734
.050
.139
.004
221.84
1.27
3.53
.010
-270
8.984
.050
.139
.004
228.19
1.27
3.53
.010
-271
9.234
.055
.139
.004
234.54
1.40
3.53
.010
-272
9.484
.055
.139
.004
240.89
1.40
3.53
.010
-273
9.734
.055
.139
.004
247.24
1.40
3.53
.010
-274
9.984
.055
.139
.004
253.59
1.40
3.53
.010
-275
10.484
.055
.139
.004
266.29
1.40
3.53
.010
-276
10.984
.065
.139
.004
278.99
1.65
3.53
.010
-277
11.484
.065
.139
.004
291.69
1.65
3.53
.010
-278
11.984
.065
.139
.004
304.39
1.65
3.53
.010
-279
12.984
.065
.139
.004
329.79
1.65
3.53
.010
-280
13.984
.065
.139
.004
355.19
1.65
3.53
.010
-281
14.984
.065
.139
.004
380.59
1.65
3.53
.010
-282
15.955
.075
.139
.004
405.26
1.91
3.53
.010
-283
16.955
.080
.139
.004
430.66
2.03
3.53
.010
-284
17.955
.085
.139
.004
456.06
2.16
3.53
.010

A full part number is generated by inserting the material identifier between AS568- and -*** with *** being the size of the O-Ring. Some examples of the many materials we can make any of these O-Rings in are:

Examples of Some Common Material Identifiers
NE50: Neoprene, 50 Durometer
NE70: Neoprene, 70 Durometer
NI60: Nitrile (Buna-N), 60 Durometer
EP60: EPDM, 60 Durometer
1056: Silver Plated Aluminum filled Silicone
1167: Silver Plated Copper filled Fluorosilicone
FS70: Fluorosilicone, 70 Durometer
SI70: Silicone, 70 Durometer

Examples of full part numbers are:

AS568-SI70-259 – This indicates a -259 size, as per the chart above, in a 70 Durometer Silicone

1056-0275 – This indicates a -275 size, as per the chart above, in a Silver Plated Aluminum filled Silicone (see EMI/RFI Shielding section for more information)

Postal Address

SAS Industries Inc. PO Box 68
Manorville, NY 11949

Physical Address

939 Wading River Manor Rd.
Manorville, NY 11949

Physical Address

100 Corporate Drive,
Elizabeth City, NC 27909

Call Us at

631.727.1441

Hours Of Operation

Office

Monday to Thrusday: 7:00 AM – 5:00 PM
Friday: 8:00 AM – 12:00 PM
Saturday & Sunday Closed

Factory

Monday to ThuRsday: 7:00 AM – 4:30 PM
Friday, Saturday & Sunday Closed