| Item Name | Cover Junction Box |
| Federal Supply Group (FSG) | Electrical and Electronic Equipment Components |
| Federal Supply Class (FSC) | 5975 Electrical Hardware and Supplies |
| National Item Identification Number (NIIN) | 00-504-7643 (005047643) |
| NCB Code | USA (00) |
| Manufacturer | Thomas And Betts Corporation, Federal Specifications |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHP | OVERALL LENGTH | 4.875 INCHES NOMINAL |
| ABKW | OVERALL HEIGHT | 0.073 INCHES NOMINAL |
| ABMK | OVERALL WIDTH | 4.875 INCHES NOMINAL |
| ABUQ | FIRST CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES | 4.250 INCHES NOMINAL |
| ABUR | SECOND CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES | 2.750 INCHES NOMINAL |
| AELW | COVER MOUNTING HOLE QUANTITY | 4 |
| AFEC | DISTANCE FROM CENTER OF MOUNTING HOLE TO EDGE ALONG THE WIDTH | 1.062 INCHES NOMINAL |
| AFED | DISTANCE FROM CENTER OF MOUNTING HOLE TO EDGE ALONG THE LENGTH | 0.312 INCHES NOMINAL |
| AFER | COVER TYPE | KNOCKOUT |
| AFFG | COVER ATTACHMENT METHOD | SCREW |
| MATT | MATERIAL | STEEL COVER |
| SFTT | SURFACE TREATMENT | ZINC COVER |
| STYL | STYLE DESIGNATOR | DOUBLE END MOUNTED |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 8 TYPE AND T SIZE AND 50 STYLE |
| ZZZX | DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY COVER TYPE AND ENTRANCE LOCATION |
| Relevant Components for NSN - 5975-00-504-7643, 5975005047643 | ||||
| 5930-01-201-0344 (5930012010344) | 5935-00-733-6624 (5935007336624) | 5935-01-670-0032 (5935016700032) | 5935-01-238-8280 (5935012388280) | |
| 5945-00-772-0597 (5945007720597) | 5998-01-470-7299 (5998014707299) | 5998-01-450-1035 (5998014501035) | 5995-01-305-0350 (5995013050350) | |
| 5935-01-438-9012 (5935014389012) | 5998-01-080-8351 (5998010808351) | 5998-01-518-1172 (5998015181172) | 5935-01-141-2602 (5935011412602) | |
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