| FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | |
| NOT RATED | |
| COVER MOUNTING SCREW | |
| 2.437 INCHES NOMINAL | |
| 8.188 INCHES NOMINAL | |
| 3.750 INCHES NOMINAL | |
| 1.500 INCHES ALL ENTRANCE | |
| 5.500 INCHES NOMINAL | |
| 2.000 INCHES NOMINAL | |
| HUB DRILLED AND TAPPED ALL ENTRANCE | |
| RIGID METALLIC THICKWALL ALL ENTRANCE | |
| LRL TYPE | |
| RIDGED | |
| 2 | |
| E1 BLANK | |
| IRON OVERALL | |
| LRL OBLONG | |
| ANY ACCEPTABLE BODY | |
| 1 DESIGN AND LRL STYLE AND 1 TYPE |
