| Item Name | Muffler Exhaust |
| Federal Supply Group (FSG) | Engine Accessories |
| Federal Supply Class (FSC) | 2990 Miscellaneous Engine Accessories Nonaircraft |
| National Item Identification Number (NIIN) | 00-757-4148 (007574148) |
| NCB Code | USA (00) |
| Manufacturer | Koehring Cranes Inc, Riker Products |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHP | OVERALL LENGTH | 15.000 INCHES NOMINAL |
| ACQW | INLET CONNECTION TYPE | UNTHREADED SINGLE INLET |
| AJLW | OUTLET INSIDE DIAMETER | 3.000 INCHES NOMINAL 1ST OUTLET3.000 INCHES NOMINAL |
| ARNA | COOLANT TYPE | AIR |
| ARND | MUFFLER DESIGN | BAFFLE |
| ARNE | BAFFLE QUANTITY | 4 |
| ARNK | INLET PROJECTION LENGTH | 3.375 INCHES NOMINAL SINGLE INLET3.375 INCHES NOMINAL |
| ARTH | OUTLET CONNECTION TYPE | UNTHREADED 1ST OUTLET |
| ARTJ | OUTLET LOCATION | CENTRALLY LOCATED IN END SECTION OF BODY 1ST OUTLET |
| ADAV | OVERALL DIAMETER | 7.000 INCHES NOMINAL |
| APGF | DESIGN TYPE | DRY |
| ARNF | TUBE QUANTITY | 1 |
| ARNG | BODY SHAPE | ROUND |
| ARNH | OPERATING POSITION | HORIZONTAL |
| ARNJ | INLET LOCATION | CENTRALLY LOCATED IN END SECTION OF BODY SINGLE INLET |
| ARTE | INLET INSIDE DIAMETER | 3.000 INCHES NOMINAL SINGLE INLET3.000 INCHES NOMINAL |
| ARTK | OUTLET PROJECTION LENGTH | 3.000 INCHES NOMINAL 1ST OUTLET3.000 INCHES NOMINAL |
| MATT | MATERIAL | STEEL |
| SFTT | SURFACE TREATMENT | ALUMINUM |
| Relevant Components for NSN - 2990-00-757-4148, 2990007574148 | ||||
| 2910-01-436-5883 (2910014365883) | 2915-00-041-0467 (2915000410467) | 2935-01-683-7524 (2935016837524) | 2990-17-110-4922 (2990171104922) | |
| 2990-01-611-8640 (2990016118640) | 2910-01-021-3265 (2910010213265) | 2930-00-392-9555 (2930003929555) | 2940-00-058-9529 (2940000589529) | |
| 2990-01-432-1902 (2990014321902) | 2950-01-710-6775 (2950017106775) | 2920-01-129-3051 (2920011293051) | 2995-01-174-3100 (2995011743100) | |
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