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| Item Name | Muffler Exhaust |
| Federal Supply Group (FSG) | Engine Accessories |
| Federal Supply Class (FSC) | 2990 Miscellaneous Engine Accessories Nonaircraft |
| National Item Identification Number (NIIN) | 00-734-2290 (007342290) |
| NCB Code | USA (00) |
| Manufacturer | Newark Electronics Corporation, General Motors Corp, Cummins Filtration Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ACQW | INLET CONNECTION TYPE | UNTHREADED SINGLE INLET |
| ADAV | OVERALL DIAMETER | 9.125 INCHES NOMINAL |
| AJLW | OUTLET INSIDE DIAMETER | 2.005 INCHES MINIMUM AND 2.010 INCHES MAXIMUM 1ST OUTLET |
| ARNA | COOLANT TYPE | AIR |
| ARNE | BAFFLE QUANTITY | 2 |
| ARNG | BODY SHAPE | ROUND |
| ARNH | OPERATING POSITION | HORIZONTAL |
| ARNK | INLET PROJECTION LENGTH | 3.250 INCHES NOMINAL SINGLE INLET |
| ARSQ | INLET OUTSIDE DIAMETER | 2.750 INCHES NOMINAL SINGLE INLET2.750 INCHES NOMINAL |
| ARTE | INLET INSIDE DIAMETER | 2.505 INCHES MINIMUM AND 2.510 INCHES MAXIMUM SINGLE INLET |
| ARTK | OUTLET PROJECTION LENGTH | 3.250 INCHES NOMINAL 1ST OUTLET3.250 INCHES NOMINAL |
| ARWA | OUTLET OUTSIDE DIAMETER | 2.250 INCHES NOMINAL 1ST OUTLET |
| ARWA | OUTLET OUTSIDE DIAMETER | 2.250 INCHES NOMINAL 1ST OUTLET2.250 INCHES NOMINAL |
| MATT | MATERIAL | STEEL |
| SFTT | SURFACE TREATMENT | ALUMINUM |
| ABHP | OVERALL LENGTH | 22.500 INCHES NOMINAL |
| APGF | DESIGN TYPE | DRY |
| ARND | MUFFLER DESIGN | BAFFLE |
| ARNF | TUBE QUANTITY | 3 |
| ARNJ | INLET LOCATION | CENTRALLY LOCATED IN END SECTION OF BODY SINGLE INLET |
| ARNK | INLET PROJECTION LENGTH | 3.250 INCHES NOMINAL SINGLE INLET3.250 INCHES NOMINAL |
| ARSQ | INLET OUTSIDE DIAMETER | 2.750 INCHES NOMINAL SINGLE INLET |
| ARTH | OUTLET CONNECTION TYPE | UNTHREADED 1ST OUTLET |
| ARTJ | OUTLET LOCATION | CENTRALLY LOCATED IN END SECTION OF BODY 1ST OUTLET |
| ARTK | OUTLET PROJECTION LENGTH | 3.250 INCHES NOMINAL 1ST OUTLET |
| Relevant Components for NSN - 2990-00-734-2290, 2990007342290 | ||||
| 2910-00-362-6680 (2910003626680) | 2930-00-364-9190 (2930003649190) | 2930-00-657-6128 (2930006576128) | 2995-01-313-0691 (2995013130691) | |
| 2915-00-931-5119 (2915009315119) | 2920-01-448-1346 (2920014481346) | 2910-01-684-5450 (2910016845450) | 2930-01-389-2291 (2930013892291) | |
| 2910-00-605-5306 (2910006055306) | 2910-01-546-5626 (2910015465626) | 2920-01-644-6835 (2920016446835) | 2910-00-214-6784 (2910002146784) | |
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