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LOOK-ALIKE PARTS / SPEC COMPARISON
39-095 vs. 39-151
Treat these as non-interchangeable. Same brand and hand, different reach. The straight arms have different lengths; treat them as different mechanisms rather than drop-in substitutes.
| Specification | 39-095 | 39-151 |
|---|---|---|
| Mechanism / profile | Straight arm | Straight arm |
| Hand | Right | Right |
| Straight arm length | 9-3/8" | 8-3/8" |
| Fitment | Andersen Perma-Shield casement windows with a matching straight-arm mechanism. Confirm arm length, mounting and track. | Andersen Perma-Shield casement windows with a matching straight-arm mechanism. Confirm arm length, mounting and track. |
| Original source | Check source ↗ | Check source ↗ |
The interchangeability warning is an editorial conclusion from the documented differences above. Always check the supplier’s current drawing and your original part.