| Electrodeposited Nickel plating on Steeel, Copper, Copper Alloys, Zinc and Zinc Alloys | AMS-QQ-N-290 | |
| Class 1 | Corrosion Protective coating | |
| Class 2 | Engineering plating | |
| Thickness | ||
| Grade A | .0016 inch minimum | |
| Grade B | .0012 inch minimum | |
| Grade C | .0010 inch minimum | |
| Grade D | .0008 inch minimum | |
| Grade E | .0006 inch minimum | |
| Grade F | .0004 inch minimum | |
| Grade G | .0002 inch minimum | |