| Cert Code | Cert Status | Survey Date | Review Date | Exp Date | Description |
|---|---|---|---|---|---|
| C57 | Approved | 03/26/2007 | 03/26/2010 | 03/26/2010 | MIL-C-13924 - BLACK OXIDE COATING FERROUS METALS - CLASS 1 - ALKALINE OXIDIZING/C & LOW ALLOY STEEL; WROUGHT; CAST IRON |
| C58 | Approved | 03/26/2007 | 03/26/2010 | 03/26/2010 | MIL-C-13924 - BLACK OXIDE COATING FERROUS METALS - CLASS 2 - ALKALINE CHROMATE OXIDIZING/CRES TEMPERED |
| C59 | Approved | 03/26/2007 | 03/26/2010 | 03/26/2010 | MIL-C-13924 - BLACK OXIDE COATING FERROUS METALS - CLASS 3 - FUSED SALT OXIDIZING/TEMPERED CRES |
| C60 | Approved | 03/26/2007 | 03/26/2010 | 03/26/2010 | MIL-C-13924 - BLACK OXIDE COATING FERROUS METALS - CLASS 4 - ALKALINE OXIDIZING/OTHER CRES ALLOYS |
| T01 | Approved | 03/26/2007 | 03/26/2010 | 03/26/2010 | ASTM-B-117 - SALT SPRAY TESTING |