ILCO is a manufacturer that uses SC as a designation to represent Schlage keys. ILCO is not affiliated with Schlage so a key with an SC designation was never manufactured by Schlage.
The following table lists the more popular ILCO SC designations.
| ILCO DESIGNATION | SCHLAGE KEYWAY |
| SC1 | 5 pin C |
| SC4 | 6 pin C |
| SC7 | 5 pin F |
| SC8 | 5 pin E |
| SC9 | 6 pin E |
| SC10 | 6 pin F |
| SC21 | 6 pin CE |
| SC24 | 6 pin EF |
If your SC keyway is not listed you will need to contact ILCO.
INFORMATION PROVIDED THROUGH THIS SITE IS PROVIDED TO YOU AS IS WITHOUT ANY EXPRESS REPRESENTATIONS OR WARRANTIES OF ANY KIND, AND WE MAKE NO REPRESENTATION OR WARRANTY THAT THIS SITE(OR ANY INFORMATION PROVIDED IN RESPONSE TO YOUR INQUIRY), WILL BE ACCURATE, COMPLETE, OR ERROR-FREE.
YOU AGREE THAT YOU MUST EVALUATE ALL INFORMATION AND RESPONSES, AND THAT YOU BEAR ALL RISKS ASSOCIATED WITH, THE USE OF THIS SITE, INCLUDING ANY RELIANCE ON THE ACCURACY,COMPLETENESS, OR USEFULNESS OF ANY INFORMATION OR MATERIALS MADE AVAILABLE THROUGH THIS SITE.