AS568 Medium series (201–284, CS 3.53 mm) — dimension table
The Medium series (201–284, CS 3.53 mm) series of the AS568 standard: 84 O-ring sizes. Each row lists the inner diameter (ID), cross-section (CS), outer diameter (OD) and a link to the matching O-ring in the catalogue.
ID = Inner diameter (ID, mm) · CS = Cross-section (CS, mm) · OD = Outer diameter (OD, mm)
| Designation | Inner diameter (ID, mm) | Cross-section (CS, mm) | Outer diameter (OD, mm) | Catalogue product |
|---|---|---|---|---|
| AS568-201 | 4.34 | 3.53 | 11.4 | Nearest product4 × 3 mm |
| AS568-202 | 5.94 | 3.53 | 13 | View product |
| AS568-203 | 7.52 | 3.53 | 14.58 | Choose material |
| AS568-204 | 9.12 | 3.53 | 16.18 | Nearest product9 × 3.5 mm |
| AS568-205 | 10.69 | 3.53 | 17.75 | Nearest product11 × 3.5 mm |
| AS568-206 | 12.29 | 3.53 | 19.35 | Nearest product12 × 3.5 mm |
| AS568-207 | 13.87 | 3.53 | 20.93 | Nearest product14 × 3.5 mm |
| AS568-208 | 15.47 | 3.53 | 22.53 | Nearest product15 × 3.5 mm |
| AS568-209 | 17.04 | 3.53 | 24.1 | View product |
| AS568-210 | 18.64 | 3.53 | 25.7 | Choose material |
| AS568-211 | 20.22 | 3.53 | 27.28 | Nearest product20 × 3.5 mm |
| AS568-212 | 21.82 | 3.53 | 28.88 | Nearest product22 × 3.5 mm |
| AS568-213 | 23.39 | 3.53 | 30.45 | Nearest product23 × 3.5 mm |
| AS568-214 | 24.99 | 3.53 | 32.05 | Choose material |
| AS568-215 | 26.57 | 3.53 | 33.63 | View product |
| AS568-216 | 28.17 | 3.53 | 35.23 | Choose material |
| AS568-217 | 29.74 | 3.53 | 36.8 | View product |
| AS568-218 | 31.34 | 3.53 | 38.4 | Nearest product31.5 × 3.55 mm |
| AS568-219 | 32.92 | 3.53 | 39.98 | Choose material |
| AS568-220 | 34.52 | 3.53 | 41.58 | Choose material |
| AS568-221 | 36.09 | 3.53 | 43.15 | View product |
| AS568-222 | 37.69 | 3.53 | 44.75 | Choose material |
| AS568-223 | 40.87 | 3.53 | 47.93 | Choose material |
| AS568-224 | 44.04 | 3.53 | 51.1 | Choose material |
| AS568-225 | 47.22 | 3.53 | 54.28 | Choose material |
| AS568-226 | 50.39 | 3.53 | 57.45 | Choose material |
| AS568-227 | 53.57 | 3.53 | 60.63 | Choose material |
| AS568-228 | 56.74 | 3.53 | 63.8 | Nearest product57 × 3.5 mm |
| AS568-229 | 59.92 | 3.53 | 66.98 | Nearest product60 × 3.5 mm |
| AS568-230 | 63.09 | 3.53 | 70.15 | Nearest product63 × 3.5 mm |
| AS568-231 | 66.27 | 3.53 | 73.33 | Nearest product67 × 3.5 mm |
| AS568-232 | 69.44 | 3.53 | 76.5 | Nearest product69.85 × 3.53 mm |
| AS568-233 | 72.62 | 3.53 | 79.68 | Nearest product73 × 3.5 mm |
| AS568-234 | 75.79 | 3.53 | 82.85 | Choose material |
| AS568-235 | 78.97 | 3.53 | 86.03 | Choose material |
| AS568-236 | 82.14 | 3.53 | 89.2 | Choose material |
| AS568-237 | 85.32 | 3.53 | 92.38 | Choose material |
| AS568-238 | 88.49 | 3.53 | 95.55 | Nearest product88 × 3.5 mm |
| AS568-239 | 91.67 | 3.53 | 98.73 | Nearest product92 × 4 mm |
| AS568-240 | 94.84 | 3.53 | 101.9 | Nearest product95 × 3.5 mm |
| AS568-241 | 98.02 | 3.53 | 105.08 | Nearest product97 × 3.5 mm |
| AS568-242 | 101.19 | 3.53 | 108.25 | Nearest product100 × 3.5 mm |
| AS568-243 | 104.37 | 3.53 | 111.43 | Choose material |
| AS568-244 | 107.54 | 3.53 | 114.6 | Choose material |
| AS568-245 | 110.72 | 3.53 | 117.78 | Choose material |
| AS568-246 | 113.89 | 3.53 | 120.95 | View product |
| AS568-247 | 117.07 | 3.53 | 124.13 | Choose material |
| AS568-248 | 120.24 | 3.53 | 127.3 | Nearest product120 × 3.5 mm |
| AS568-249 | 123.42 | 3.53 | 130.48 | Nearest product124.2 × 3 mm |
| AS568-250 | 126.59 | 3.53 | 133.65 | Nearest product128 × 3 mm |
| AS568-251 | 129.77 | 3.53 | 136.83 | Nearest product130 × 3.5 mm |
| AS568-252 | 132.94 | 3.53 | 140 | Nearest product132 × 4 mmLast few |
| AS568-253 | 136.12 | 3.53 | 143.18 | Choose material |
| AS568-254 | 139.29 | 3.53 | 146.35 | View product |
| AS568-255 | 142.47 | 3.53 | 149.53 | Choose material |
| AS568-256 | 145.64 | 3.53 | 152.7 | View productLast few |
| AS568-257 | 148.82 | 3.53 | 155.88 | Nearest product150 × 3.5 mm |
| AS568-258 | 151.99 | 3.53 | 159.05 | Nearest product152.07 × 2.62 mm |
| AS568-259 | 158.34 | 3.53 | 165.4 | Choose material |
| AS568-260 | 164.69 | 3.53 | 171.75 | Choose material |
| AS568-261 | 171.04 | 3.53 | 178.1 | Nearest product170 × 3.5 mm |
| AS568-262 | 177.39 | 3.53 | 184.45 | Nearest product176 × 3.5 mmLast few |
| AS568-263 | 183.74 | 3.53 | 190.8 | Nearest product184 × 3.5 mmLast few |
| AS568-264 | 190.09 | 3.53 | 197.15 | View productLast few |
| AS568-265 | 196.44 | 3.53 | 203.5 | Choose material |
| AS568-266 | 202.79 | 3.53 | 209.85 | Nearest product203 × 3.5 mm |
| AS568-267 | 209.14 | 3.53 | 216.2 | Nearest product210 × 3.5 mm |
| AS568-268 | 215.49 | 3.53 | 222.55 | Nearest product215 × 3 mm |
| AS568-269 | 221.84 | 3.53 | 228.9 | Nearest product220.5 × 2.5 mm |
| AS568-270 | 228.19 | 3.53 | 235.25 | Nearest product227 × 3.5 mmLast few |
| AS568-271 | 234.54 | 3.53 | 241.6 | Nearest product235 × 3 mmLast few |
| AS568-272 | 240.89 | 3.53 | 247.95 | Nearest product240 × 3 mm |
| AS568-273 | 247.24 | 3.53 | 254.3 | Choose material |
| AS568-274 | 253.59 | 3.53 | 260.65 | Nearest product255 × 3 mm |
| AS568-275 | 266.29 | 3.53 | 273.35 | Search catalogue |
| AS568-276 | 278.99 | 3.53 | 286.05 | Nearest product280 × 4 mm |
| AS568-277 | 291.69 | 3.53 | 298.75 | Nearest product292 × 4 mm |
| AS568-278 | 304.39 | 3.53 | 311.45 | Search catalogue |
| AS568-279 | 329.79 | 3.53 | 336.85 | Nearest product331 × 3 mmLast few |
| AS568-280 | 355.19 | 3.53 | 362.25 | Search catalogue |
| AS568-281 | 380.59 | 3.53 | 387.65 | Nearest product380 × 4 mmLast few |
| AS568-282 | 405.26 | 3.53 | 412.32 | Search catalogue |
| AS568-283 | 430.66 | 3.53 | 437.72 | Search catalogue |
| AS568-284 | 456.06 | 3.53 | 463.12 | Search catalogue |
Dimensions match the published tables of the AS568 standard. Outer diameter is computed as ID + 2 × cross-section.