| FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | |
| 8543.90.9000 | |
| NOT RATED | |
| COVER MOUNTING SCREW | |
| 2.312 INCHES NOMINAL | |
| 7.500 INCHES NOMINAL | |
| 2.188 INCHES NOMINAL | |
| 1.250 INCHES ALL ENTRANCE | |
| 5.125 INCHES NOMINAL | |
| 1.750 INCHES NOMINAL | |
| HUB DRILLED AND TAPPED ALL ENTRANCE | |
| RIGID METALLIC THICKWALL ALL ENTRANCE | |
| LB SERIES | |
| THREADED FASTENER | |
| 2 | |
| F1 LINE | |
| FLAT | |
| SOLID CENTER | |
| 1 | |
| E1 BLANK | |
| ALUMINUM | |
| LB OBLONG | |
| 1 DESIGN AND LB STYLE AND I TYPE |
