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 | Arvin Industries Inc, General Motors Corp, Maremont Corp, Walker Mfg Co, Hunter James Machine Co Inc, Mahle Clevite Inc, Harvard Industries Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 1123 | arvin industries inc | muffler exhaust | RFQ |
| 3831583 | general motors corp | muffler exhaust | RFQ |
| CH53 | maremont corp | muffler exhaust | RFQ |
| 21293 | walker mfg co | muffler exhaust | RFQ |
| 3874660 | general motors corp | muffler exhaust | RFQ |
| 8876M | hunter james machine co inc | muffler exhaust | RFQ |
| 3866266 | general motors corp | muffler exhaust | RFQ |
| 3884816 | general motors corp | muffler exhaust | RFQ |
| MUB19 | mahle clevite inc | muffler exhaust | RFQ |
| 3981942 | general motors corp | muffler exhaust | RFQ |
| 8269 | harvard industries inc | muffler exhaust | RFQ |
| 3923366 | general motors corp | muffler exhaust | RFQ |
| 3792269 | general motors corp | muffler exhaust | RFQ |
| 1255 | walker mfg co | muffler exhaust | RFQ |
| 3908396 | general motors corp | muffler exhaust | RFQ |
| 3908390 | 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 | ||||
| 2915-00-312-7367 (2915003127367) | 2990-01-283-1954 (2990012831954) | 2915-01-199-9756 (2915011999756) | 2990-01-211-8587 (2990012118587) | |
| 2915-01-554-9841 (2915015549841) | 2945-01-018-1335 (2945010181335) | 2990-01-112-5982 (2990011125982) | 2915-01-444-2817 (2915014442817) | |
| 2910-00-364-6145 (2910003646145) | 2915-00-775-2891 (2915007752891) | 2910-01-656-7220 (2910016567220) | 2995-01-112-6994 (2995011126994) | |
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