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) | 00-460-4440 (004604440) |
| NCB Code | USA (00) |
| Manufacturer | Ar Bee Corp, Nacco Materials Handling Group Inc, Cummins Filtration Inc, Brighton Cromwell Llc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHP | OVERALL LENGTH | 20.000 INCHES NOMINAL |
| ACQW | INLET CONNECTION TYPE | FLANGE SINGLE INLET |
| ADAV | OVERALL DIAMETER | 6.120 INCHES NOMINAL |
| AJLW | OUTLET INSIDE DIAMETER | 1.755 INCHES NOMINAL 1ST OUTLET1.755 INCHES NOMINAL |
| APGF | DESIGN TYPE | DRY |
| ARNA | COOLANT TYPE | AIR |
| ARND | MUFFLER DESIGN | BAFFLE |
| ARNE | BAFFLE QUANTITY | 2 |
| ARNF | TUBE QUANTITY | 3 |
| ARNG | BODY SHAPE | ROUND |
| ARNH | OPERATING POSITION | VERTICAL |
| ARNJ | INLET LOCATION | LOCATED IN SIDE OF BODY 3.500 IN. FROM CENTER OF INLET TO BODY END SINGLE INLET |
| ARNK | INLET PROJECTION LENGTH | 2.190 INCHES NOMINAL SINGLE INLET2.190 INCHES NOMINAL |
| ARNL | INLET FLANGE SHAPE | SQUARE SINGLE INLET |
| ARNM | INLET FLANGE MOUNTING PROVISION AND QUANTITY | 4 HOLES SINGLE INLET4 HOLES |
| ARNQ | INLET FLANGE MOUNTING PROVISION THREAD SIZE | 3/8-24 SINGLE INLET |
| ARNR | INLET FLANGE MOUNTING PROVISION THREAD SERIES DESIGNATOR | UNF SINGLE INLET |
| ARNS | INLET FLANGE MOUNTING PROVISION THREAD DIRECTION | RIGHT-HAND SINGLE INLET |
| ARNT | INLET FLANGE MOUNTING PROVISION SPACING | 1.880 IN. C TO C DIM. OF TOP THD MTG HOLES,2.620 C TO C DIM. OF BOTTOM THD MTG HOLES SINGLE INLET |
| ARTH | OUTLET CONNECTION TYPE | UNTHREADED 1ST OUTLET |
| ARTJ | OUTLET LOCATION | LOCATED ON SIDE OF BODY 1.500 IN. FROM CENTER OF OUTLET TO BODY END 1ST OUTLET |
| ARTK | OUTLET PROJECTION LENGTH | 2.500 INCHES NOMINAL 1ST OUTLET2.500 INCHES NOMINAL |
| ARWA | OUTLET OUTSIDE DIAMETER | 1.875 INCHES NOMINAL 1ST OUTLET1.875 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | THD CLEANOUT PLUG CENTRALLY LOCATED IN OUTLET END OF BODY,1/2-14 NPT |
| MATT | MATERIAL | STEEL |
| Relevant Components for NSN - 2990-00-460-4440, 2990004604440 | ||||
| 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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