A60 Class Fireproof Side Scuttle：
| NO. | NOMINAL SIZE D | B.H. OPENING SIZE D1 | SIZE OF OUTSIDE D2 | MAIN GLASS THICK. t | SIZE OF GLASS D3 | |
| HEAVY | MEDIUM | |||||
| 1 | φ 200 | φ 383 | φ 380 | 10 | 8 | φ 240 |
| 2 | φ 250 | φ 433 | φ 430 | 12 | 8 | φ 290 |
| 3 | φ 300 | φ 483 | φ 480 | 15 | 10 | φ 340 |
| 4 | φ 350 | φ 533 | φ 530 | 15 | 12 | φ 390 |
| 5 | φ 400 | φ 583 | φ 580 | 19 | 12 | φ 440 |
| 6 | φ 450 | φ 633 | φ 630 | 19 | 15 | φ 490 |