Marine Ordinary Rectangular Window:
| SERIES | TYPE | CODE | NORMINAL SIZE | OPENING SIZE | WINDOW SEAT | |||
| WXH | W1XH1 | r | W2XH2 | W3XH3 | OPEN TYPE | |||
| N P H | E F | 1 | 300X425 | 352X477 | 76 | 348X473 | 430X555 | ILB IRB ITB OLB ORB OTB NOB |
| 2 | 355X500 | 407X552 | 76 | 403X548 | 485X630 | |||
| 3 | 400X560 | 452X612 | 76 | 448X608 | 530X690 | |||
| 4 | 450X630 | 502X682 | 126 | 498X678 | 580X760 | |||
| 5 | 500X710 | 552X762 | 126 | 548X758 | 630X840 | |||
| 6 | 560X800 | 612X852 | 126 | 608X848 | 690X930 | |||
| 7 | 900X630 | 952X682 | 126 | 948X678 | 1030X760 | |||
| 8 | 1000X710 | 1052X762 | 126 | 1048X758 | 1130X840 | |||
| 9 | 1100X800 | 1152X852 | 126 | 1148X848 | 1230X930 | |||