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) | 01-112-5737 (011125737) |
| NCB Code | USA (01) |
| Manufacturer | Macleod Inc, De Koven Mfg Co |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| E-W-B1900-5100 | macleod inc | muffler exhaust | RFQ |
| 21728 | de koven mfg co | muffler exhaust | RFQ |
| B1900-5118 | macleod inc | muffler exhaust | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHP | OVERALL LENGTH | 17.750 INCHES NOMINAL |
| ACQW | INLET CONNECTION TYPE | UNTHREADED SINGLE INLET |
| ADAV | OVERALL DIAMETER | 3.000 INCHES NOMINAL |
| AJLW | OUTLET INSIDE DIAMETER | 1.625 INCHES NOMINAL 1ST OUTLET1.625 INCHES NOMINAL |
| APGF | DESIGN TYPE | DRY |
| ARNA | COOLANT TYPE | WATER |
| ARND | MUFFLER DESIGN | STRAIGHT THROUGH |
| ARNG | BODY SHAPE | ROUND |
| ARNH | OPERATING POSITION | UNIVERSAL |
| ARNJ | INLET LOCATION | CENTRALLY LOCATED IN END SECTION OF BODY SINGLE INLET |
| ARNK | INLET PROJECTION LENGTH | 3.000 INCHES NOMINAL SINGLE INLET3.000 INCHES NOMINAL |
| ARTE | INLET INSIDE DIAMETER | 1.625 INCHES NOMINAL SINGLE INLET1.625 INCHES NOMINAL |
| ARTF | INLET INTEGRAL MANIFOLD EXHAUST PIPE LENGTH | 1.625 INCHES NOMINAL SINGLE INLET1.625 INCHES NOMINAL |
| ARTH | OUTLET CONNECTION TYPE | UNTHREADED 1ST OUTLET |
| ARTJ | OUTLET LOCATION | CENTRALLY LOCATED IN END SECTION OF BODY 1ST OUTLET |
| ARTK | OUTLET PROJECTION LENGTH | 3.000 INCHES NOMINAL 1ST OUTLET3.000 INCHES NOMINAL |
| MATT | MATERIAL | STEEL |
| Relevant Components for NSN - 2990-01-112-5737, 2990011125737 | ||||
| 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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