| Owner: | Norfolk Southern |
| 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: | F403 |
| Detail Info: | Flat Car, Load Limit: 200,000lb and greater, Inside length: 60-75ft |
| Plate: | B |
| Max Gross Weight: | 286000 |
| Load Limit: | 219600 |
| User Notes: | ex-NW 300371 {now NS 905569} Load Limit: 219600 |
