Following are illustrations of standard threads for VICI Jour fittings. To see these fitting details at actual size, download and print the pdf file. Place your fitting on the printed sheet to identify the thread size.

For tubing OD	Thread size	Illustration
360 µm	2-56
1/32"	6-40
1/16"	10-32
1/8"	5/16-24
1/16" and 1/8"	1/4-28
1/4"	1/2-20