| FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | |
| 8543.90.9000 | |
| CORROSION PROOF | |
| 1.375 INCHES NOMINAL | |
| 4.562 INCHES NOMINAL | |
| 2.000 INCHES NOMINAL | |
| 0.500 INCHES ALL ENTRANCE | |
| 3.125 INCHES NOMINAL | |
| 0.938 INCHES NOMINAL | |
| HUB DRILLED AND TAPPED ALL ENTRANCE | |
| RIGID METALLIC THICKWALL ALL ENTRANCE | |
| STYLE LRL | |
| FLAT | |
| IRON MALLEABLE | |
| LRL OBLONG | |
| 1 DESIGN AND RL FORM AND 1 TYPE |
