AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Muffler Exhaust |
| Federal Supply Group (FSG) | Engine Accessories |
| Federal Supply Class (FSC) | 2990 Miscellaneous Engine Accessories Nonaircraft |
| National Item Identification Number (NIIN) | 00-124-6701 (001246701) |
| NCB Code | USA (00) |
| Manufacturer | Ar Bee Corp, Cummins Filtration Inc, Cecom Lr Center, Brighton Cromwell Llc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHP | OVERALL LENGTH | 17.000 INCHES NOMINAL |
| ACQW | INLET CONNECTION TYPE | FLANGE SINGLE INLET |
| ADAV | OVERALL DIAMETER | 4.625 INCHES NOMINAL |
| APGF | DESIGN TYPE | DRY |
| ARNA | COOLANT TYPE | AIR |
| ARNG | BODY SHAPE | ROUND |
| ARNH | OPERATING POSITION | ANY ACCEPTABLE |
| ARNJ | INLET LOCATION | OFFSET IN END SECTION OF BODY SINGLE INLET |
| ARNK | INLET PROJECTION LENGTH | 3.430 INCHES NOMINAL SINGLE INLET3.430 INCHES NOMINAL |
| ARNL | INLET FLANGE SHAPE | OVAL SINGLE INLET |
| ARNM | INLET FLANGE MOUNTING PROVISION AND QUANTITY | 2 HOLES SINGLE INLET2 HOLES |
| ARNN | INLET FLANGE MOUNTING HOLE DIAMETER | 0.406 INCHES NOMINAL SINGLE INLET0.406 INCHES NOMINAL |
| ARNT | INLET FLANGE MOUNTING PROVISION SPACING | 2.690 C TO C DIM. OF MTG HOLES SINGLE INLET |
| ARTH | OUTLET CONNECTION TYPE | THREADED 1ST OUTLET |
| ARTJ | OUTLET LOCATION | OFFSET IN END SECTION OF BODY 1ST OUTLET |
| ARTW | OUTLET THREAD SIZE | 1-1/2-11-1/2 1ST OUTLET |
| ARTX | OUTLET THREAD SERIES DESIGNATOR | NPT 1ST OUTLET |
| ARTY | OUTLET THREAD DIRECTION | RIGHT-HAND 1ST OUTLET |
| ARTZ | OUTLET THREAD LOCATION | EXTERNAL 1ST OUTLET |
| MATT | MATERIAL | STEEL |
| SFTT | SURFACE TREATMENT | ALUMINUM |
| Relevant Components for NSN - 2990-00-124-6701, 2990001246701 | ||||
| 2915-00-312-7367 (2915003127367) | 2990-01-283-1954 (2990012831954) | 2915-01-199-9756 (2915011999756) | 2990-01-211-8587 (2990012118587) | |
| 2915-01-554-9841 (2915015549841) | 2945-01-018-1335 (2945010181335) | 2990-01-112-5982 (2990011125982) | 2915-01-444-2817 (2915014442817) | |
| 2910-00-364-6145 (2910003646145) | 2915-00-775-2891 (2915007752891) | 2910-01-656-7220 (2910016567220) | 2995-01-112-6994 (2995011126994) | |
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