Part marking guides.
One question per page.
The questions that come up on drawings, RFQs, and travelers, answered at the depth an engineer or quality manager needs and no further. Each guide ends with the tool or service page that puts the answer to work.
- G-015 MIN READ
IUID Construct 1 vs Construct 2
MIL-STD-130 gives you two ways to build a UII. Construct 2 adds the part number and is the usual choice for manufactured parts; Construct 1 relies on a serial that is unique across the whole enterprise. This guide covers what each one is made of, when to pick it, and what it looks like inside the Data Matrix.
Read the guide - G-024 MIN READ
Format 06 vs Format 12 for IUID Marks
Format 06 tags each data element with an ASC MH10.8.2 data identifier; Format 12 uses ATA Spec 2000 text element identifiers. Both produce the same UII. This guide shows the two messages side by side, maps every qualifier, and explains why Format 06 is the default and when Format 12 is called out.
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