| BODY INSIDE DIAMETER | 92.05 MILLIMETERS MINIMUM AND 94.10 MILLIMETERS MAXIMUM |
| BODY OUTSIDE DIAMETER | 109.91 MILLIMETERS MINIMUM AND 109.96 MILLIMETERS MAXIMUM |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | PIVOT SLEEVE REVERSE DUCT HM651/721 |
| OVERALL LENGTH | 74.5 MILLIMETERS MINIMUM AND 75.0 MILLIMETERS MAXIMUM |
| SPECIAL FEATURES | OUTSIDE CORNERS CHAMFERED |
| STYLE DESIGNATOR | SOLID, PLAIN, NO OUTSIDE FLANGES |