| COLOR | BLACK |
| CUSHIONING MATERIAL | RUBBER, DACRON FABRIC REINFORCED |
| LENGTH | 400.0 MILLIMETERS NOMINAL |
| MATERIAL | RUBBER CUSHIONING |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | ISOLATER, RBR 4.8X400X280 |
| PROPRIETARY CHARACTERISTICS | PACS |
| MOUNTING METHOD | PRESS FIT |
| OVERALL HEIGHT | 280.0 MILLIMETERS NOMINAL |
| SHAPE | IRREGULAR |
| VEHICLE DESIGN CONTROL ACTIVITY | 19207 |
| VEHICLE IDENTIFICATION DESIGNATOR | M1281 |
| THICKNESS | 4.76 MILLIMETERS NOMINAL |
| USAGE DESIGN | TRUCK |