| 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 |
| Relevant Components for NSN - 2990-00-330-4712, 2990003304712 | ||||
| 2915-00-193-7608 (2915001937608) | 2920-01-261-7993 (2920012617993) | 2995-01-166-3904 (2995011663904) | 2915-00-452-6084 (2915004526084) | |
| 2995-00-341-3256 (2995003413256) | 2935-00-032-7348 (2935000327348) | 2910-01-586-3950 (2910015863950) | 2945-00-906-4681 (2945009064681) | |
| 2910-01-707-5543 (2910017075543) | 2915-00-689-8668 (2915006898668) | 2990-00-353-4943 (2990003534943) | 2910-00-931-4570 (2910009314570) | |
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