| Owner: | Department Of Defense |
| Type: | Flat Car |
| AAR Class: | FM: Ordinary flat car for general service. This car has flooring laid over sills and without sides or ends. |
| AAR Type: | F401 |
| Detail Info: | Flat Car, Load Limit: 200,000lb and greater, Inside length: less than 53ft |
| Plate: | B |
| Max Gross Weight: | 630000 |
| Load Limit: | 490000 |
| Ext L/W/H: | 66' 4" / 10' 0" / 4' 3" |
| Int L/W/H: | 50' 0" / 10' 0" / 0' 0" |
| User Notes: | 630K |
