| Item Name | Muffler Exhaust |
| Federal Supply Group (FSG) | Engine Accessories |
| Federal Supply Class (FSC) | 2990 Miscellaneous Engine Accessories Nonaircraft |
| National Item Identification Number (NIIN) | 00-330-4712 (003304712) |
| NCB Code | USA (00) |
| Manufacturer | Walker Mfg Co, New Holland Inc, Ford Motor Company, Maremont Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHP | OVERALL LENGTH | 18.625 INCHES NOMINAL |
| ACQW | INLET CONNECTION TYPE | UNTHREADED SINGLE INLET |
| ADAV | OVERALL DIAMETER | 3.000 INCHES NOMINAL |
| AJLW | OUTLET INSIDE DIAMETER | 1.500 INCHES NOMINAL 1ST OUTLET1.500 INCHES NOMINAL |
| APGF | DESIGN TYPE | DRY |
| ARNA | COOLANT TYPE | AIR |
| ARND | MUFFLER DESIGN | BAFFLE |
| ARNG | BODY SHAPE | ROUND |
| ARNJ | INLET LOCATION | CENTRALLY LOCATED IN END SECTION OF BODY SINGLE INLET |
| ARNK | INLET PROJECTION LENGTH | 4.312 INCHES NOMINAL SINGLE INLET4.312 INCHES NOMINAL |
| ARTE | INLET INSIDE DIAMETER | 1.625 INCHES NOMINAL SINGLE INLET1.625 INCHES NOMINAL |
| ARTH | OUTLET CONNECTION TYPE | UNTHREADED 1ST OUTLET |
| ARTJ | OUTLET LOCATION | CENTRALLY LOCATED IN END SECTION OF BODY 1ST OUTLET |
| ARTK | OUTLET PROJECTION LENGTH | 4.312 INCHES NOMINAL 1ST OUTLET4.312 INCHES NOMINAL |
| MATT | MATERIAL | STEEL |
| SFTT | SURFACE TREATMENT | ALUMINUM ALLOY |
| Components Related to NSN - 2990-00-330-4712, 2990003304712 | ||||
| 2915-00-133-2275 (2915001332275) | 2940-01-560-3021 (2940015603021) | 2995-01-507-6913 (2995015076913) | 2930-00-234-3033 (2930002343033) | |
| 2915-00-777-7253 (2915007777253) | 2990-00-484-0723 (2990004840723) | 2910-01-458-0730 (2910014580730) | 2995-00-887-2064 (2995008872064) | |
| 2920-99-997-8242 (2920999978242) | 2910-01-667-6625 (2910016676625) | 2920-01-137-0457 (2920011370457) | 2995-00-991-2555 (2995009912555) | |
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