| APERTURE WIDTH | 516.5 MILLIMETERS MINIMUM AND 522.5 MILLIMETERS MAXIMUM |
| APERTURE LENGTH | 815.3 MILLIMETERS MINIMUM AND 821.3 MILLIMETERS MAXIMUM |
| CONSTRUCTION | ONE-PIECE |
| CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| CROSS-SECTIONAL HEIGHT | 12.75 MILLIMETERS NOMINAL |
| CROSS-SECTIONAL WIDTH | 10.2 MILLIMETERS NOMINAL |
| MATERIAL | PLASTIC POLYURETHANE OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | SEAL, WINDOW |
| PROPRIETARY CHARACTERISTICS | NPAC |
| OVERALL LENGTH | 844.0 MILLIMETERS NOMINAL |
| SPECIAL FEATURES | OVERALL WIDTH: 545MM; MATERIAL: CLOSED CELLULAR POLYURETHANE |
| STYLE DESIGNATOR | NON-CIRCULAR |