| Item Name | Muffler Exhaust |
| Federal Supply Group (FSG) | Engine Accessories |
| Federal Supply Class (FSC) | 2990 Miscellaneous Engine Accessories Nonaircraft |
| National Item Identification Number (NIIN) | 00-869-3408 (008693408) |
| NCB Code | USA (00) |
| Manufacturer | Koehring Cranes Inc, Riker Products |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHP | OVERALL LENGTH | 18.500 INCHES NOMINAL |
| ADAV | OVERALL DIAMETER | 26.500 INCHES NOMINAL |
| APGF | DESIGN TYPE | DRY |
| ARNA | COOLANT TYPE | AIR |
| ARNF | TUBE QUANTITY | 2 |
| ARNG | BODY SHAPE | ROUND |
| ARNK | INLET PROJECTION LENGTH | 7.250 INCHES NOMINAL SINGLE INLET7.250 INCHES NOMINAL |
| ARTE | INLET INSIDE DIAMETER | 3.500 INCHES NOMINAL SINGLE INLET3.500 INCHES NOMINAL |
| ACQW | INLET CONNECTION TYPE | UNTHREADED SINGLE INLET |
| AJLW | OUTLET INSIDE DIAMETER | 8.000 INCHES NOMINAL 1ST OUTLET8.000 INCHES NOMINAL |
| ARND | MUFFLER DESIGN | MULTIPASS |
| ARNH | OPERATING POSITION | VERTICAL |
| ARNJ | INLET LOCATION | OFFSET LOCATED ON END OF BODY SINGLE INLET |
| ARTH | OUTLET CONNECTION TYPE | UNTHREADED 1ST OUTLET |
| ARTJ | OUTLET LOCATION | OFFSET LOCATED ON END OF BODY 1ST OUTLET |
| ARTK | OUTLET PROJECTION LENGTH | 7.250 INCHES NOMINAL 1ST OUTLET7.250 INCHES NOMINAL |
| MATT | MATERIAL | STEEL |
| Components Related to NSN - 2990-00-869-3408, 2990008693408 | ||||
| 2990-01-599-4313 (2990015994313) | 2915-00-762-8005 (2915007628005) | 2915-00-624-8595 (2915006248595) | 2920-01-347-4695 (2920013474695) | |
| 2990-01-671-1393 (2990016711393) | 2920-01-044-7883 (2920010447883) | 2990-00-356-0816 (2990003560816) | 2950-00-148-7970 (2950001487970) | |
| 2920-01-009-9669 (2920010099669) | 2950-01-545-8145 (2950015458145) | 2910-01-549-4124 (2910015494124) | 2940-01-562-8013 (2940015628013) | |
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