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) | 00-703-1797 (007031797) |
| NCB Code | USA (00) |
| Manufacturer | Allied Witan Co |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 403060-40S | allied witan co | muffler exhaust | RFQ |
| 4A3060-40S | allied witan co | muffler exhaust | RFQ |
| 0311816 4Q-3060-40S | allied witan co | muffler exhaust | RFQ |
| 50225-EX8323-328 | allied witan co | muffler exhaust | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHP | OVERALL LENGTH | 23.500 INCHES NOMINAL |
| ABKW | OVERALL HEIGHT | 8.000 INCHES NOMINAL |
| ABMK | OVERALL WIDTH | 8.000 INCHES NOMINAL |
| ACQW | INLET CONNECTION TYPE | THREADED SINGLE INLET |
| ACRX | INLET THREAD DIRECTION | RIGHT-HAND SINGLE INLET |
| APGF | DESIGN TYPE | DRY |
| ARNA | COOLANT TYPE | AIR |
| ARND | MUFFLER DESIGN | STRAIGHT THROUGH |
| ARNF | TUBE QUANTITY | 4 |
| ARNG | BODY SHAPE | RECTANGULAR |
| ARNJ | INLET LOCATION | CENTRALLY LOCATED IN END SECTION OF BODY SINGLE INLET |
| ARNK | INLET PROJECTION LENGTH | 5.000 INCHES NOMINAL SINGLE INLET5.000 INCHES NOMINAL |
| ARNW | INLET THREAD SIZE | 4-8 SINGLE INLET |
| ARNX | INLET THREAD SERIES DESIGNATOR | NPT SINGLE INLET |
| ARSP | INLET THREAD LOCATION | EXTERNAL SINGLE INLET |
| ARXY | NONCONNECTION OUTLET TYPE AND QUANTITY | 69600 PERFORATED |
| ARXZ | NONCONNECTION OUTLET LOCATION | ON SIDES OF BODY |
| ARYA | NONCONNECTION OUTLET SIZE | 0.062 IN. DIA |
| MATT | MATERIAL | ALUMINUM ALLOY |
| Relevant Components for NSN - 2990-00-703-1797, 2990007031797 | ||||
| 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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