Standard O Ring Chart O RING SIZE I.D. WIDTH (Inches) (Inches) .001 0.029 .040 .002 0.042 .050 .003 0.056 .060 .004 0.070 .070 .005 0.101 .070 .006 0.114 .070 .007 0.145 .070 .008 0.176 .070 .009 0.208 .070 .010 0.239 .070 .011 0.301 .070 .012 0.364 .070 .013 0.426 .070 .014 0.489 .070 .015 0.551 .070 .016 0.614 .070 .017 0.676 .070 .018 0.739 .070 .019 0.801 .070 .020 0.864 .070 .021 0.926 .070 .022 0.989 .070 .023 1.051 .070 .024 1.114 .070 .025 1.176 .070 .026 1.239 .070 .027 1.301 .070 .028 1.364 .070 .029 1.489 .070 .030 1.614 .070 .031 1.739 .070 .032 1.864 .070 .033 1.989 .070 .034 2.114 .070 .035 2.239 .070 .036 2.364 .070 .037 2.489 .070 .038 2.614 .070 .039 2.739 .070 .040 2.864 .070 .041 2.989 .070 .042 3.239 .070 .043 3.489 .070 .044 3.739 .070 .045 3.989 .070 .046 4.239 .070 .047 4.489 .070 .048 4.739 .070 .049 4.989 .070 .050 5.239 .070 102 0.049 .103 103 0.081 .103 104 0.112 .103 105 0.143 .103 106 0.174 .103 107 0.206 .103 108 0.237 .103 109 0.299 .103 110 0.362 .103 111 0.424 .103 112 0.487 .103 113 0.549 .103 114 0.612 .103 115 0.674 .103 116 0.737 .103 117 0.799 .103 118 0.762 .103 119 0.924 .103 120 0.987 .103 121 1.049 .103 122 1.112 .103 123 1.174 .103 124 1.237 .103 125 1.299 .103 126 1.362 .103 127 1.424 .103 128 1.487 .103 129 1.549 .103 130 1.612 .103 131 1.674 .103 132 1.737 .103 133 1.799 .103 134 1.862 .103 135 1.925 .103 136 1.987 .103 137 2.050 .103 138 2.112 .103 139 2.175 .103 140 2.237 .103 141 2.300 .103 142 2.362 .103 143 2.425 .103 144 2.487 .103 145 2.550 .103 146 2.612 .103 147 2.675 .103 148 2.737 .103 149 2.800 .103 150 2.862 .103 151 2.987 .103 152 3.237 .103 153 3.487 .103 154 3.737 .103 155 3.987 .103 156 4.237 .103 157 4.487 .103 158 4.737 .103 159 4.987 .103 160 5.237 .103 161 5.487 .103 162 5.737 .103 163 5.987 .103 164 6.237 .103 165 6.487 .103 166 6.737 .103 167 6.987 .103 168 7.237 .103 169 7.487 .103 170 7.737 .103 171 7.987 .103 172 8.237 .103 173 8.487 .103 174 8.737 .103 175 8.987 .103 176 9.237 .103 177 9.487 .103 178 9.737 .103 201 0.171 .139 202 0.234 .139 203 0.296 .139 204 0.359 .139 205 0.421 .139 206 0.484 .139 207 0.546 .139 208 0.609 .139 209 0.671 .139 210 0.734 .139 211 0.796 .139 212 0.859 .139 213 0.921 .139 214 0.984 .139 215 1.046 .139 216 1.109 .139 217 1.171 .139 218 1.234 .139 219 1.296 .139 220 1.359 .139 221 1.421 .139 222 1.484 .139 223 1.609 .139 224 1.734 .139 225 1.859 .139 226 1.984 .139 227 2.109 .139 228 2.234 .139 229 2.359 .139 230 2.484 .139 231 2.609 .139 232 2.734 .139 233 2.859 .139 234 2.984 .139 235 3.109 .139 236 3.324 .139 237 3.359 .139 238 3.484 .139 239 3.609 .139 240 3.734 .139 241 3.859 .139 242 3.984 .139 243 4.109 .139 244 4.234 .139 245 4.359 .139 246 4.484 .139 247 4.609 .139 248 4.734 .139 249 4.859 .139 250 4.984 .139 251 5.109 .139 252 5.234 .139 253 5.359 .139 254 5.484 .139 255 5.609 .139 256 5.734 .139 257 5.859 .139 258 5.984 .139 259 6.234 .139 260 6.484 .139 261 6.734 .139 262 6.984 .139 263 7.234 .139 264 7.484 .139 265 7.734 .139 266 7.984 .139 267 8.234 .139 268 8.484 .139 269 8.734 .139 270 8.984 .139 271 9.234 .139 272 9.484 .139 273 9.734 .139 274 9.984 .139 275 10.484 .139 276 10.984 .139 277 11.484 .139 278 11.984 .139 279 12.984 .139 280 13.984 .139 281 14.984 .139 282 15.955 .139 283 16.955 .139 284 17.955 .139 309 0.412 .210 310 0.475 .210 311 0.537 .210 312 0.600 .210 313 0.662 .210 314 0.725 .210 315 0.787 .210 316 0.850 .210 317 0.912 .210 318 0.975 .210 319 1.037 .210 320 1.100 .210 321 1.162 .210 322 1.225 .210 323 1.287 .210 324 1.350 .210 325 1.475 .210 326 1.600 .210 327 1.725 .210 328 1.850 .210 329 1.975 .210 330 2.100 .210 331 2.225 .210 332 2.350 .210 333 2.475 .210 334 2.600 .210 335 2.725 .210 336 2.850 .210 337 2.975 .210 338 3.100 .210 339 3.225 .210 340 3.350 .210 341 3.475 .210 342 3.600 .210 343 3.725 .210 344 3.850 .210 345 3.975 .210 346 4.100 .210 347 4.225 .210 348 4.350 .210 349 4.475 .210 350 4.600 .210 351 4.725 .210 352 4.850 .210 353 4.975 .210 354 5.100 .210 355 5.225 .210 356 5.350 .210 357 5.475 .210 358 5.600 .210 359 5.725 .210 360 5.850 .210 361 5.975 .210 362 6.225 .210 363 6.475 .210 364 6.725 .210 365 6.975 .210 366 7.225 .210 367 7.475 .210 368 7.725 .210 369 7.975 .210 370 8.225 .210 371 8.475 .210 372 8.725 .210 373 8.975 .210 374 9.225 .210 375 9.475 .210 376 9.725 .210 377 9.975 .210 378 10.475 .210 379 10.975 .210 380 11.475 .210 381 11.975 .210 382 13.975 .210 383 13.975 .210 384 14.975 .210 385 15.955 .210 386 16.955 .210 387 17.955 .210 388 18.955 .210 389 19.955 .210 390 20.955 .210 391 21.955 .210 392 22.940 .210 393 23.940 .210 394 24.940 .210 395 25.940 .210 425 4.475 .275 426 4.600 .275 427 4.725 .275 428 4.850 .275 429 4.975 .275 430 5.100 .275 431 5.225 .275 432 5.350 .275 433 5.475 .275 434 5.600 .275 435 5.725 .275 436 5.850 .275 437 5.975 .275 438 6.225 .275 439 6.475 .275 440 6.725 .275 441 6.975 .275 442 7.225 .275 443 7.475 .275 444 7.725 .275 445 7.975 .275 446 8.475 .275 447 8.975 .275 448 9.475 .275 449 9.975 .275 450 10.475 .275 451 10.975 .275 452 11.475 .275 453 11.975 .275 454 12.475 .275 455 12.975 .275 456 13.475 .275 457 13.975 .275 458 14.475 .275 459 14.975 .275 460 15.475 .275 461 15.955 .275 462 16.455 .275 463 16.955 .275 464 17.455 .275 465 17.955 .275 466 18.455 .275 467 18.955 .275 468 19.455 .275 469 19.955 .275 470 20.955 .275 471 21.955 .275 472 22.940 .275 473 23.940 .275 474 24.940 .275 475 25.940 .275