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) | 01-441-4359 (014414359) |
| NCB Code | USA (01) |
| Manufacturer | Caterpillar Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ARTJ | Outlet Location | OFFSET OPPOSITE END OF INLET |
| ARNJ | Inlet Location | OFFSET ON ONE END |
| ACQW | Inlet Connection Type | UNTHREADED |
| ARNG | Body Shape | ROUND |
| MRC | Decoded Requirement | Clear Text Reply |
| AGAV | End Item Identification | TRACTOR,CATERPILLAR CORP,MODEL 631D |
| ARND | Muffler Design | MULTIPASS |
| ARNH | Operating Position | VERTICAL |
| APGF | Design Type | DRY |
| Relevant Components for NSN - 2990-01-441-4359, 2990014414359 | ||||
| 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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