| STYLE DESIGNATOR | RECTANGULAR 2 ENTRANCES |
| WIDTH | 2.750 INCHES NOMINAL |
| LENGTH | 4.281 INCHES NOMINAL |
| DEPTH | 1.875 INCHES NOMINAL |
| CONDUIT ENTRANCE TYPE | HUB DRILLED AND TAPPED ALL ENTRANCE |
| CONDUIT TYPE ACCOMMODATED | RIGID METALLIC THICKWALL ALL ENTRANCE |
| CONDUIT TRADE SIZE ACCOMMODATED | 0.500 INCHES ALL ENTRANCE |
| TRADE DESIGNATION | FSR SERIES FORM 1 |
| MATERIAL | IRON OVERALL |
| SURFACE TREATMENT | CADMIUM AND |
| ZINC OVERALL |
| COVER MOUNTING METHOD | THREADED FASTENER |
| COVER MOUNTING HOLE QUANTITY | 4 |
| COVER MOUNTING HOLE ARRANGEMENT STYLE | RECTANGULAR |
| WIRING DEVICE GANG QUANTITY | 1 |
| COVER MOUNTING SURFACE TYPE | RIDGED |
| HAZARDOUS LOCATIONS/ENVIRONMENTAL PROTECTION | DUSTTIGHT AND |
| DUSTTIGHT-NEMA TYPE 5 |
| NONDEFINITIVE SPEC/STD DATA | 7 DESIGN AND |
| 1 FORM AND |
| LR STYLE AND |
| 2 TYPE |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 58536 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | A-A-50563 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | AA50563-207ALLRA |