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) | 00-618-1809 (006181809) |
| NCB Code | USA (00) |
| Manufacturer | Ar Bee Corp, Schramm Inc, Cummins Filtration Inc, Brighton Cromwell Llc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHP | OVERALL LENGTH | 10.000 INCHES NOMINAL |
| ABKW | OVERALL HEIGHT | 6.125 INCHES NOMINAL |
| ABMK | OVERALL WIDTH | 10.125 INCHES NOMINAL |
| ACQW | INLET CONNECTION TYPE | FLANGE SINGLE INLET |
| AJLW | OUTLET INSIDE DIAMETER | 2.025 INCHES NOMINAL 1ST OUTLET2.025 INCHES NOMINAL |
| APGF | DESIGN TYPE | DRY |
| ARNA | COOLANT TYPE | AIR |
| ARND | MUFFLER DESIGN | MULTIPASS |
| ARNF | TUBE QUANTITY | 2 |
| ARNG | BODY SHAPE | OVAL |
| ARNH | OPERATING POSITION | VERTICAL |
| ARNJ | INLET LOCATION | CENTRALLY LOCATED IN END SECTION OF BODY SINGLE INLET |
| ARNK | INLET PROJECTION LENGTH | 3.313 INCHES NOMINAL SINGLE INLET3.313 INCHES NOMINAL |
| ARNL | INLET FLANGE SHAPE | TRIANGULAR SINGLE INLET |
| ARNM | INLET FLANGE MOUNTING PROVISION AND QUANTITY | 3 HOLES SINGLE INLET3 HOLES |
| ARNN | INLET FLANGE MOUNTING HOLE DIAMETER | 0.438 INCHES NOMINAL SINGLE INLET0.438 INCHES NOMINAL |
| ARNT | INLET FLANGE MOUNTING PROVISION SPACING | 3-1/2 IN. BOLT CIRCLE DIA SINGLE INLET |
| ARTH | OUTLET CONNECTION TYPE | UNTHREADED 1ST OUTLET |
| ARTJ | OUTLET LOCATION | LOCATED 3 IN. C TO C FROM HORIZONTAL CENTER LINE 1ST OUTLET |
| ARTK | OUTLET PROJECTION LENGTH | 2.188 INCHES NOMINAL 1ST OUTLET2.188 INCHES NOMINAL |
| ARWA | OUTLET OUTSIDE DIAMETER | 2.650 INCHES NOMINAL 1ST OUTLET2.650 INCHES NOMINAL |
| ARWC | OUTLET INTEGRAL TAIL PIPE LENGTH | 3.063 INCHES NOMINAL 1ST OUTLET |
| MATT | MATERIAL | STEEL |
| SFTT | SURFACE TREATMENT | ALUMINUM |
| Relevant Components for NSN - 2990-00-618-1809, 2990006181809 | ||||
| 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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