Midea Lock Nut 640
Brand: Delavan · Fits: 13 models · Reference price: $170.52
640 is a Delavan replacement part (midea lock nut). Our fitment data lists 13 models that use it.
When to replace this part
General hardware and mounting parts
Symptom: A small mechanical or mounting part has failed, cracked, or gone missing.
Check: Compare the physical shape and mounting points to the original piece, and confirm the exact part number against your model plate before ordering.
Models that use this part
| Model | Brand | Appliance | Parts on file |
|---|---|---|---|
| 512478330 | Sears | — | 37 |
| 512478430 | Sears | — | 35 |
| 512478990 | Sears | — | 34 |
| 512478862 | Sears | — | 33 |
| 512478981 | Sears | — | 33 |
| 512478690-1 | Sears | — | 30 |
| 512478790 | Sears | — | 30 |
| 512478882 | Sears | — | 28 |
| 512478180 | Sears | — | 22 |
| 6531 | Delavan | — | 19 |
| 512478490 | Sears | — | 17 |
| 51247844 | Sears | — | 16 |
| 3007234 | Sears | — | 12 |
Other parts for model 512478330
If you are repairing that appliance, these are the most model-specific parts on file for the same model.
Reference price and where to compare
The reference price on file for this part is $170.52. It is informational only, not an offer or an Amazon price — RepairKitHub does not sell parts directly.
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