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Materials

Design

Processes

Units

Formulas

Math
 
AS 568A No. Covered Range
("W" is the O-ring cross-section diameter, also called the "width")
001 to 114 ID from 0.029" to 0.070" for W=0.040"; 0.042" for W=0.050"; 0.056" for W=0.060"; from 0.070" to 5.239" for W=0.070"; from 0.049" to 0.612" for W=0.103"
115 to 178 ID from 0.674" to 9.737" for W=0.103"
201 to 264 ID from 0.171" to 7.484" for W=0.139"
265 to 349 ID from 7.734" to 17.955" for W=0.139"; from 0.412" to 4.475" for W=0.210"
350 to 439 ID from 4.600" to 25.940" for W=0.210"; from 4.475" to 6.475" for W=0.275"
 
AS 568A No. Nominal Sizes (inch) Actual Sizes (inch)
ID OD Width ID Width
350 45/8 5 3/16 4.600 ± 0.030 0.210 ± 0.005
351 43/4 51/8 3/16 4.725 ± 0.030 0.210 ± 0.005
352 47/8 51/4 3/16 4.850 ± 0.030 0.210 ± 0.005
353 5 53/8 3/16 4.975 ± 0.037 0.210 ± 0.005
354 51/8 51/2 3/16 5.100 ± 0.037 0.210 ± 0.005
355 51/4 55/8 3/16 5.225 ± 0.037 0.210 ± 0.005
356 53/8 53/4 3/16 5.350 ± 0.037 0.210 ± 0.005
357 51/2 57/8 3/16 5.475 ± 0.037 0.210 ± 0.005
358 55/8 6 3/16 5.600 ± 0.370 0.210 ± 0.005
359 53/4 61/8 3/16 5.725 ± 0.037 0.210 ± 0.005
360 57/8 61/4 3/16 5.850 ± 0.037 0.210 ± 0.005
361 6 63/8 3/16 5.975 ± 0.037 0.210 ± 0.005
362 61/4 65/8 3/16 6.225 ± 0.040 0.210 ± 0.005
363 61/2 67/8 3/16 6.475 ± 0.040 0.210 ± 0.005
364 63/4 71/8 3/16 6.725 ± 0.040 0.210 ± 0.005
365 7 73/8 3/16 6.975 ± 0.040 0.210 ± 0.005
366 71/4 75/8 3/16 7.225 ± 0.045 0.210 ± 0.005
367 71/2 77/8 3/16 7.475 ± 0.045 0.210 ± 0.005
368 73/4 81/8 3/16 7.725 ± 0.045 0.210 ± 0.005
369 8 83/8 3/16 7.975 ± 0.045 0.210 ± 0.005
370 81/4 85/8 3/16 8.225 ± 0.050 0.210 ± 0.005
371 81/2 87/8 3/16 8.475 ± 0.050 0.210 ± 0.005
372 83/4 91/8 3/16 8.725 ± 0.050 0.210 ± 0.005
373 9 93/8 3/16 8.975 ± 0.050 0.210 ± 0.005
374 91/4 95/8 3/16 9.225 ± 0.055 0.210 ± 0.005
375 91/2 97/8 3/16 9.475 ± 0.055 0.210 ± 0.005
376 93/4 101/8 3/16 9.725 ± 0.055 0.210 ± 0.005
377 10 103/8 3/16 9.975 ± 0.055 0.210 ± 0.005
378 101/2 107/8 3/16 10.475 ± 0.060 0.210 ± 0.005
379 11 113/8 3/16 10.975 ± 0.060 0.210 ± 0.005
380 111/2 117/8 3/16 11.475 ± 0.065 0.210 ± 0.005
381 12 123/8 3/16 11.975 ± 0.065 0.210 ± 0.005
382 13 133/8 3/16 12.975 ± 0.065 0.210 ± 0.005
383 14 143/8 3/16 13.975 ± 0.070 0.210 ± 0.005
384 15 153/8 3/16 14.975 ± 0.070 0.210 ± 0.005
385 16 163/8 3/16 15.955 ± 0.075 0.210 ± 0.005
386 17 173/8 3/16 16.955 ± 0.080 0.210 ± 0.005
387 18 183/8 3/16 17.955 ± 0.085 0.210 ± 0.005
388 19 193/8 3/16 18.955 ± 0.090 0.210 ± 0.005
389 20 203/8 3/16 19.955 ± 0.095 0.210 ± 0.005
390 21 213/8 3/16 20.955 ± 0.095 0.210 ± 0.005
391 22 223/8 3/16 21.955 ± 0.100 0.210 ± 0.005
392 23 233/8 3/16 22.940 ± 0.105 0.210 ± 0.005
393 24 243/8 3/16 23.940 ± 0.110 0.210 ± 0.005
394 25 253/8 3/16 24.940 ± 0.115 0.210 ± 0.005
395 26 263/8 3/16 25.940 ± 0.120 0.210 ± 0.005
425 41/2 5 1/4 4.475 ± 0.033 0.275 ± 0.006
426 45/8 51/8 1/4 4.600 ± 0.033 0.275 ± 0.006
427 43/4 51/4 1/4 4.725 ± 0.033 0.275 ± 0.006
428 47/8 53/8 1/4 4.850 ± 0.033 0.275 ± 0.006
429 5 51/2 1/4 4.975 ± 0.037 0.275 ± 0.006
430 51/8 55/8 1/4 5.100 ± 0.037 0.275 ± 0.006
431 51/4 53/4 1/4 5.225 ± 0.037 0.275 ± 0.006
432 53/8 57/8 1/4 5.350 ± 0.037 0.275 ± 0.006
433 51/2 6 1/4 5.475 ± 0.037 0.275 ± 0.006
434 55/8 61/8 1/4 5.600 ± 0.037 0.275 ± 0.006
435 53/4 61/4 1/4 5.725 ± 0.037 0.275 ± 0.006
436 57/8 63/8 1/4 5.850 ± 0.037 0.275 ± 0.006
437 6 61/2 1/4 5.975 ± 0.037 0.275 ± 0.006
438 61/4 63/4 1/4 6.225 ± 0.040 0.275 ± 0.006
439 61/2 7 1/4 6.475 ± 0.040 0.275 ± 0.006
Glossary
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Mechanical Engineers Outlook

Guide for those interested in becoming a mechanical engineer. Includes qualifications, pay, and job duties.

Negotiate Your Salary

Learn the best principles to negotiate the salary you deserve!

Essentials of Manufacturing

Information, coverage of important developments and expert commentary in manufacturing.

Selecting the Right 3D Printer

Discover how to choose the right 3D printer for your needs and the key performance attributes to consider.

more publications