A26 · Reference edition 2026.11
Retention and loading order — Definition and boundaries
Retention holds a part against established references. Applying retention before seating can create a different final orientation.
Scope and purpose
Start by separating the named concept from adjacent concepts. Use the observation below to identify the question the record is intended to answer. Read the caution before applying the example. A definition is useful only when another reader can tell what falls outside it.
Working notes
This reference collection concerns light, offline dimensional-inspection layouts. It brings locating concepts, component descriptions and revision records together without substituting for an engineered fixture design. The drawings are original explanatory diagrams. Reference IDs identify documents, not commercially tested products. Read the scope and limitations alongside each example, and keep the actual part drawing and inspection requirements available when reviewing a proposed layout.
Practical example
Number the seating, contact confirmation, retention and removal steps on the same figure.
| Reference record | Interpretation |
|---|---|
| A26 | Retention and loading order |
| Scope and purpose | Retention holds a part against established references. Applying retention before seating can create a different final orientation. |
| Limits and interpretation | Illustrations do not establish clamp forces or safe operating limits. |
Review checklist
Write a one-sentence scope statement; identify a neighbouring concept; record what the example does not establish.