| Item Name | Muffler Exhaust |
| Federal Supply Group (FSG) | Engine Accessories |
| Federal Supply Class (FSC) | 2990 Miscellaneous Engine Accessories Nonaircraft |
| National Item Identification Number (NIIN) | 00-991-3657 (009913657) |
| NCB Code | USA (00) |
| Manufacturer | Arvin Industries Inc, Walker Mfg Co, General Motors Corp, Clark Radio Equipment Co, Truck And Bus Group |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 101901 | arvin industries inc | muffler exhaust | 89799 | RFQ |
| 21028 | walker mfg co | muffler exhaust | 79260 | RFQ |
| 3816360 | general motors corp | muffler exhaust | 7x677 | RFQ |
| 3816360 | clark radio equipment co | muffler exhaust | 93210 | RFQ |
| 3865285 | general motors corp | muffler exhaust | 24617 | RFQ |
| 3865285 | truck and bus group | muffler exhaust | 93219 | RFQ |
| 3981940 | general motors corp | muffler exhaust | 11862 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHP | OVERALL LENGTH | 26.500 INCHES NOMINAL |
| ACQW | INLET CONNECTION TYPE | UNTHREADED SINGLE INLET |
| ADAV | OVERALL DIAMETER | 5.000 INCHES NOMINAL |
| AJLW | OUTLET INSIDE DIAMETER | 1.687 INCHES NOMINAL 1ST OUTLET1.687 INCHES NOMINAL |
| APGF | DESIGN TYPE | DRY |
| ARNA | COOLANT TYPE | AIR |
| ARND | MUFFLER DESIGN | STRAIGHT THROUGH |
| ARNG | BODY SHAPE | ROUND |
| ARNH | OPERATING POSITION | HORIZONTAL |
| ARNJ | INLET LOCATION | LOCATED IN CENTER OF END SECTION SINGLE INLET |
| ARNK | INLET PROJECTION LENGTH | 2.250 INCHES NOMINAL SINGLE INLET2.250 INCHES NOMINAL |
| ARSQ | INLET OUTSIDE DIAMETER | 2.125 INCHES NOMINAL SINGLE INLET2.125 INCHES NOMINAL |
| ARTE | INLET INSIDE DIAMETER | 2.000 INCHES NOMINAL SINGLE INLET2.000 INCHES NOMINAL |
| ARTH | OUTLET CONNECTION TYPE | UNTHREADED 1ST OUTLET |
| ARTJ | OUTLET LOCATION | LOCATED IN CENTER OF END SECTION OPPOSITE INLET 1ST OUTLET |
| ARTK | OUTLET PROJECTION LENGTH | 2.250 INCHES NOMINAL 1ST OUTLET2.250 INCHES NOMINAL |
| ARWA | OUTLET OUTSIDE DIAMETER | 1.812 INCHES NOMINAL 1ST OUTLET1.812 INCHES NOMINAL |
| MATT | MATERIAL | STEEL |
| SFTT | SURFACE TREATMENT | ZINC |
| Components Related to NSN - 2990-00-991-3657, 2990009913657 | ||||
| 2920-00-847-0637 (2920008470637) | 2930-01-294-1619 (2930012941619) | 2915-01-258-1569 (2915012581569) | 2910-00-036-0233 (2910000360233) | |
| 2945-00-700-1236 (2945007001236) | 2915-01-126-7685 (2915011267685) | 2990-01-662-8157 (2990016628157) | 2990-01-165-8232 (2990011658232) | |
| 2910-01-119-0946 (2910011190946) | 2990-01-699-1285 (2990016991285) | 2995-00-467-6487 (2995004676487) | 2925-00-112-9175 (2925001129175) | |
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