| Item Name | Muffler Exhaust |
| Federal Supply Group (FSG) | Engine Accessories |
| Federal Supply Class (FSC) | 2990 Miscellaneous Engine Accessories Nonaircraft |
| National Item Identification Number (NIIN) | 00-126-2334 (001262334) |
| NCB Code | USA (00) |
| Manufacturer | Caterpillar Inc, Riker Products, Industrial Parts Depot Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHP | OVERALL LENGTH | 17.812 INCHES NOMINAL |
| ACQW | INLET CONNECTION TYPE | UNTHREADED SINGLE INLET |
| ADAV | OVERALL DIAMETER | 8.000 INCHES NOMINAL |
| AJLW | OUTLET INSIDE DIAMETER | 4.500 INCHES NOMINAL 1ST OUTLET4.500 INCHES NOMINAL |
| APGF | DESIGN TYPE | DRY |
| ARNA | COOLANT TYPE | AIR |
| ARND | MUFFLER DESIGN | STRAIGHT THROUGH |
| ARNF | TUBE QUANTITY | 1 |
| ARNG | BODY SHAPE | ROUND |
| ARNH | OPERATING POSITION | UNIVERSAL |
| ARNJ | INLET LOCATION | CENTRALLY LOCATED ON END OF BODY SINGLE INLET |
| ARNK | INLET PROJECTION LENGTH | 1.594 INCHES NOMINAL SINGLE INLET1.594 INCHES NOMINAL |
| ARTE | INLET INSIDE DIAMETER | 4.375 INCHES NOMINAL SINGLE INLET4.375 INCHES NOMINAL |
| ARTH | OUTLET CONNECTION TYPE | UNTHREADED 1ST OUTLET |
| ARTJ | OUTLET LOCATION | CENTRALLY LOCATED ON END OF BODY 1ST OUTLET |
| ARTK | OUTLET PROJECTION LENGTH | 4.219 INCHES NOMINAL 1ST OUTLET4.219 INCHES NOMINAL |
| MATT | MATERIAL | STEEL |
| Relevant Components for NSN - 2990-00-126-2334, 2990001262334 | ||||
| 2915-01-018-3820 (2915010183820) | 2915-01-594-1455 (2915015941455) | 2925-01-713-7219 (2925017137219) | 2910-00-936-7402 (2910009367402) | |
| 2915-00-938-3987 (2915009383987) | 2950-01-493-6496 (2950014936496) | 2995-01-516-0594 (2995015160594) | 2940-00-191-3913 (2940001913913) | |
| 2915-00-225-1095 (2915002251095) | 2920-01-235-8490 (2920012358490) | 2910-00-463-3845 (2910004633845) | 2910-01-687-8462 (2910016878462) | |
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