ILCO DND-SC4 Do Not Duplicate SC4 Key Blanks – Brass
| Brand | ILCO |
| Model | DND-SC4 |
| Fits Brand | Schlage |
| Pins | 6-pin |
| Material | Brass |
| Bow Style | Neuter bow with no manufacturer name or part number |
| Marking | Incised “DO NOT DUPLICATE” on one side; opposite side plain |
| Head Type | Metal Head |
| Cross Reference | 1145A |
| ILCO | IAB85120538 |
| Keyway | SC4 (Schlage C) |
| Condition | New |
ILCO / Residential & Commercial Key Blanks
The ILCO DND-SC4 is an uncut brass key blank with the SC4 keyway for Schlage C 6-pin locks. This model uses a generic square neuter bow without a manufacturer name or part number.
The words “DO NOT DUPLICATE” are incised on one side, with the opposite side left plain. The DND-SC4 cross-references to ILCO 1145A.