Best Interchangeable Core Construction Code Information

*** Information listed is tip to bow.

As with anything, this information may change at any time, but it is worth a try.

Core Color Keyway Control Key Cuts Operating Key Cuts
Blue A 5309451 3781073
Green Decode (7/2022) A 7816947 4749611
Green E 5309451 3781073
Orange F 25270 or 25272 47436
Red A 389872 147656
Black G 7924
5309451		 3560
3781073
Yellow D 92859 29380
Above Information provided by Dallas Locksmith Association Newsletter
Key Letter Control Key Key Letter Working Key
CBJ 5309451 CJ 3781073
CBG 5309451 BG 3781073
CBF 5309451 BF 3781073
CBJ 5309541 BA 3781073
C-1 (Restricted Section?) 4891825    
Above Information provided by Norm Z.
Key Letter Key Cuts - Tip to Bow Function Keyway
'C' 6678567 Control Key KSP Restricted Fits into standard C but not vice- versa
'MD' 2234132 Operator Key Cores are also marked 'MD'
Information Provided by Jack, B.
 
Core Color Key Cuts - Tip to Bow Function Keyway
Orange 1658926 Control Key Best High Security Construction Core
Orange 5214322 Working Key ""   ""    ""
Information Provided by Thomas D. 2/12/03
Color Key Cuts - Tip to Bow Function Keyway
Brown 8294343 Core Key A
Color Key Cuts - Tip to Bow Function Keyway
SKD1 - Falcon Factory Keyed Core (No Color) KWY A:2575344 Core Key A: 6131768

If you find any other consistent information please email Data Logic so this page may be updated & expanded!