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) | 00-678-0072 (006780072) |
| NCB Code | USA (00) |
| Manufacturer | Brighton Cromwell Llc, Cummins Filtration Inc, Ar Bee Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHP | OVERALL LENGTH | 38.000 INCHES NOMINAL |
| ACQW | INLET CONNECTION TYPE | UNTHREADED SINGLE INLET |
| ADAV | OVERALL DIAMETER | 7.125 INCHES NOMINAL |
| APGF | DESIGN TYPE | DRY |
| ARNA | COOLANT TYPE | AIR |
| ARND | MUFFLER DESIGN | MULTIPASS |
| ARNF | TUBE QUANTITY | 2 |
| ARNG | BODY SHAPE | ROUND |
| ARNH | OPERATING POSITION | HORIZONTAL |
| ARNJ | INLET LOCATION | LOCATED 4 IN. FROM END OF BODY TO CENTER OF INLET ON SIDE OF BODY SINGLE INLET |
| ARNK | INLET PROJECTION LENGTH | 8.250 INCHES NOMINAL SINGLE INLET8.250 INCHES NOMINAL |
| ARSQ | INLET OUTSIDE DIAMETER | 3.626 INCHES MINIMUM AND 3.646 INCHES MAXIMUM SINGLE INLET |
| ARTE | INLET INSIDE DIAMETER | 3.505 INCHES MINIMUM AND 3.525 INCHES MAXIMUM SINGLE INLET |
| ARTH | OUTLET CONNECTION TYPE | THREADED 1ST OUTLET |
| ARTJ | OUTLET LOCATION | CENTRALLY LOCATED IN END SECT. OF BODY 1ST OUTLET |
| ARTK | OUTLET PROJECTION LENGTH | 4.000 INCHES NOMINAL 1ST OUTLET |
| ARTK | OUTLET PROJECTION LENGTH | 4.000 INCHES NOMINAL 1ST OUTLET4.000 INCHES NOMINAL |
| ARTW | OUTLET THREAD SIZE | 3-8 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 ALLOY |
| Relevant Components for NSN - 2990-00-678-0072, 2990006780072 | ||||
| 2920-00-424-2979 (2920004242979) | 2990-00-447-2016 (2990004472016) | 2920-01-058-1026 (2920010581026) | 2920-01-447-4280 (2920014474280) | |
| 2990-01-630-2542 (2990016302542) | 2910-01-146-0880 (2910011460880) | 2995-00-939-8700 (2995009398700) | 2920-01-368-7449 (2920013687449) | |
| 2910-00-288-5859 (2910002885859) | 2940-01-516-9565 (2940015169565) | 2915-99-739-6457 (2915997396457) | 2990-01-412-7943 (2990014127943) | |
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