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) | 00-778-0031 (007780031) |
| NCB Code | USA (00) |
| Manufacturer | General Motors Corp, Maremont Corp, Walker Mfg Co, Harvard Industries Inc, Hunter James Machine Co Inc, Mahle Clevite Inc, Arvin Industries Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 3884816 | general motors corp | muffler exhaust | RFQ |
| 3923366 | general motors corp | muffler exhaust | RFQ |
| CH53 | maremont corp | muffler exhaust | RFQ |
| 21293 | walker mfg co | muffler exhaust | RFQ |
| 3908396 | general motors corp | muffler exhaust | RFQ |
| 8269 | harvard industries inc | muffler exhaust | RFQ |
| 8876M | hunter james machine co inc | muffler exhaust | RFQ |
| 3908390 | general motors corp | muffler exhaust | RFQ |
| MUB19 | mahle clevite inc | muffler exhaust | RFQ |
| 3792269 | general motors corp | muffler exhaust | RFQ |
| 3831583 | general motors corp | muffler exhaust | RFQ |
| 3874660 | general motors corp | muffler exhaust | RFQ |
| 1123 | arvin industries inc | muffler exhaust | RFQ |
| 1255 | walker mfg co | muffler exhaust | RFQ |
| 3981942 | general motors corp | muffler exhaust | RFQ |
| 3866266 | general motors corp | muffler exhaust | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHP | OVERALL LENGTH | 21.000 INCHES NOMINAL |
| ABKW | OVERALL HEIGHT | 5.000 INCHES NOMINAL |
| ABMK | OVERALL WIDTH | 9.500 INCHES NOMINAL |
| ACQW | INLET CONNECTION TYPE | UNTHREADED SINGLE INLET |
| AJLW | OUTLET INSIDE DIAMETER | 1.688 INCHES NOMINAL 1ST OUTLET1.688 INCHES NOMINAL |
| ARND | MUFFLER DESIGN | MULTIPASS |
| ARNF | TUBE QUANTITY | 3 |
| ARNG | BODY SHAPE | OVAL |
| ARNH | OPERATING POSITION | HORIZONTAL |
| ARNJ | INLET LOCATION | LOCATED ON CENTER OF END SECTION SINGLE INLET |
| ARNK | INLET PROJECTION LENGTH | 2.000 INCHES NOMINAL SINGLE INLET2.000 INCHES NOMINAL |
| ARSQ | INLET OUTSIDE DIAMETER | 2.125 INCHES NOMINAL SINGLE INLET2.125 INCHES NOMINAL |
| ARTJ | OUTLET LOCATION | OFFSET ON END SECTION OPPOSITE INLET 1ST OUTLET |
| ARTK | OUTLET PROJECTION LENGTH | 2.000 INCHES NOMINAL 1ST OUTLET2.000 INCHES NOMINAL |
| ARWA | OUTLET OUTSIDE DIAMETER | 1.812 INCHES NOMINAL 1ST OUTLET1.812 INCHES NOMINAL |
| MATT | MATERIAL | STEEL |
| APGF | DESIGN TYPE | DRY |
| ARNA | COOLANT TYPE | AIR |
| ARTE | INLET INSIDE DIAMETER | 2.000 INCHES NOMINAL SINGLE INLET2.000 INCHES NOMINAL |
| ARTH | OUTLET CONNECTION TYPE | UNTHREADED 1ST OUTLET |
| SFTT | SURFACE TREATMENT | ZINC |
| Relevant Components for NSN - 2990-00-778-0031, 2990007780031 | ||||
| 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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