We appreciate your interest in Caterpillar Inc part number 6N731, which is currently ready for procurement here on Prompt Aerospace. For your reference, part number 6N731 is listed with the NSN 2990-00-417-1356 and description “Muffler Exhaust.” If this is the item you are seeking and you would like to request a quote for your comparisons, simply complete the form below with information like your desired quantity, budget, and anticipated fulfillment timeframe. We regularly respond to requests within 15 minutes of receiving them, using the details we are offered to curate the most ideal purchasing options.
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If you want to explore other items produced by Caterpillar Inc under the CAGE Code 11083 or that similarly fall under the FSC 2990 Miscellaneous Engine Accessories Nonaircraft, keep in mind that since we list everything with relevant information, you can easily locate related part numbers using our search engine or catalogs. We also excel at tracking down parts with long lead times or that are generally hard to find, meaning that we can serve you even if you do not see exactly what you need on our website. With all of this being said, we are ready to help you source any of the NSN 2990-00-417-1356 parts and Muffler Exhaust items your operations require, so request a quote today.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 2990-00-417-1356 Item PartTypeName: MUFFLER,EXHAUST | 2990 | 004171356 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | U | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| IPD9S9996 | 6 | 9 | 5 |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHP | OVERALL LENGTH | 17.060 INCHES NOMINAL |
| ABKW | OVERALL HEIGHT | 15.000 INCHES NOMINAL |
| ABMK | OVERALL WIDTH | 10.000 INCHES NOMINAL |
| ACQW | INLET CONNECTION TYPE | UNTHREADED SINGLE INLET |
| AJLW | OUTLET INSIDE DIAMETER | 2.462 INCHES NOMINAL 1ST OUTLET2.462 INCHES NOMINAL |
| APGF | DESIGN TYPE | DRY |
| ARNA | COOLANT TYPE | AIR |
| ARND | MUFFLER DESIGN | BAFFLE |
| ARNE | BAFFLE QUANTITY | 3 |
| ARNF | TUBE QUANTITY | 1 |
| ARNG | BODY SHAPE | OVAL |
| ARNJ | INLET LOCATION | CENTRALLY LOCATED IN END SECTION OF BODY,3.590 IN. C TO C BELOW HORIZONTAL CENTERLINE SINGLE INLET |
| ARNK | INLET PROJECTION LENGTH | 1.060 INCHES NOMINAL SINGLE INLET1.060 INCHES NOMINAL |
| ARSQ | INLET OUTSIDE DIAMETER | 5.005 INCHES MINIMUM AND 5.008 INCHES MAXIMUM SINGLE INLET |
| ARTE | INLET INSIDE DIAMETER | 4.380 INCHES NOMINAL SINGLE INLET4.380 INCHES NOMINAL |
| ARTH | OUTLET CONNECTION TYPE | UNTHREADED 1ST OUTLET |
| ARTJ | OUTLET LOCATION | LOCATED ON TOP SIDE OF BODY,6.500 IN. FROM CENTER OF OUTLET PIPE TO BODY END OPPOSITE INLET END 1ST OUTLET |
| ARTK | OUTLET PROJECTION LENGTH | 9.000 INCHES NOMINAL 1ST OUTLET9.000 INCHES NOMINAL |
| ARWA | OUTLET OUTSIDE DIAMETER | 5.144 INCHES MINIMUM AND 5.164 INCHES MAXIMUM 1ST OUTLET |
| MATT | MATERIAL | STEEL |
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