AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Muffler Exhaust |
| Federal Supply Group (FSG) | Engine Accessories |
| Federal Supply Class (FSC) | 2990 Miscellaneous Engine Accessories Nonaircraft |
| National Item Identification Number (NIIN) | 00-657-4839 (006574839) |
| NCB Code | USA (00) |
| Manufacturer | Arvin Industries Inc, Walker Mfg Co, Ford Motor Company |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHP | OVERALL LENGTH | 26.880 INCHES NOMINAL |
| ACQW | INLET CONNECTION TYPE | UNTHREADED |
| ADAV | OVERALL DIAMETER | 7.000 INCHES NOMINAL |
| AJLW | OUTLET INSIDE DIAMETER | 3.025 INCHES NOMINAL |
| APGF | DESIGN TYPE | DRY |
| ARNA | COOLANT TYPE | AIR |
| ARND | MUFFLER DESIGN | BAFFLE |
| ARNE | BAFFLE QUANTITY | 5 |
| ARNF | TUBE QUANTITY | 2 |
| ARNG | BODY SHAPE | ROUND |
| ARNH | OPERATING POSITION | VERTICAL |
| ARNJ | INLET LOCATION | CENTRALLY LOCATED IN TOP END SECTION OF BODY |
| ARNK | INLET PROJECTION LENGTH | 2.750 INCHES NOMINAL |
| ARSQ | INLET OUTSIDE DIAMETER | 3.125 INCHES NOMINAL |
| ARTE | INLET INSIDE DIAMETER | 3.025 INCHES NOMINAL |
| ARTH | OUTLET CONNECTION TYPE | UNTHREADED |
| ARTJ | OUTLET LOCATION | LOCATED CENTRALLY IN BOTTOM END SECTION OF BODY |
| ARTK | OUTLET PROJECTION LENGTH | 2.750 INCHES NOMINAL |
| ARWA | OUTLET OUTSIDE DIAMETER | 3.125 INCHES NOMINAL |
| MATT | MATERIAL | STEEL,SAE 1010 THRU 1020,GRADE M |
| SFTT | SURFACE TREATMENT | ALUMINUM |
| ZZZV | III FSC APPLICATION DATA | ENGINE,GASOLINE,NON-AIRCRAFT |
| Relevant Components for NSN - 2990-00-657-4839, 2990006574839 | ||||
| 2990-01-708-1642 (2990017081642) | 2995-00-303-8738 (2995003038738) | 2990-01-510-3571 (2990015103571) | 2915-00-931-8588 (2915009318588) | |
| 2915-00-765-9978 (2915007659978) | 2995-01-587-8905 (2995015878905) | 2915-01-438-9593 (2915014389593) | 2990-01-395-7406 (2990013957406) | |
| 2915-00-607-5878 (2915006075878) | 2990-01-669-7882 (2990016697882) | 2920-00-516-2720 (2920005162720) | 2995-00-915-9661 (2995009159661) | |
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