| MATERIAL | STEEL OVERALL |
| STYLE DESIGNATOR | SPRING TENSION |
| HOLE DIAMETER | 10.50 MILLIMETERS MINIMUM AND |
| 10.93 MILLIMETERS MAXIMUM |
| OUTSIDE DIAMETER | 20.35 MILLIMETERS MINIMUM AND |
| 21.65 MILLIMETERS MAXIMUM |
| OVERALL HEIGHT | 2.1 MILLIMETERS MINIMUM AND |
| 4.2 MILLIMETERS MAXIMUM |
| MATERIAL THICKNESS | 0.93 MILLIMETERS MINIMUM AND |
| 1.07 MILLIMETERS MAXIMUM |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | WASH, WAVE M10 X 21 X 1.0 SS |