# NSN 2990-01-342-6554: Muffler, Exhaust-Intake

NSN 2990-01-342-6554 (also written 2990013426554; NIIN 01-342-6554) is a muffler, exhaust-intake in Federal Supply Class 2990, Miscellaneous Engine Accessories, Nonaircraft. 2 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 2990-01-342-6554 (2990013426554)
- NIIN: 01-342-6554 (013426554)
- Item name: MUFFLER,EXHAUST-INTAKE
- Federal Supply Class: [FSC 2990 Miscellaneous Engine Accessories, Nonaircraft](https://nsnexplorer.com/fsc/2990/)
- Federal Supply Group: [FSG 29](https://nsnexplorer.com/group/29/)
- Acquisition method suffix code: AMSC L: annual buy value is below the screening threshold. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 30.000 |
| ACQW | INLET CONNECTION TYPE | LOCATION NOT OTHERWISE SPECIFIED FLANGE |
| ADAV | OVERALL DIAMETER | INCHES NOMINAL 6.100 |
| AGAV | END ITEM IDENTIFICATION | 3895-01-331-8560 |
| APGF | DESIGN TYPE | DRY |
| AQXP | INLET CONNECTION QUANTITY | 1 |
| ARNA | COOLANT TYPE | AIR |
| ARND | MUFFLER DESIGN | STRAIGHT THROUGH |
| ARNG | BODY SHAPE | ROUND |
| ARNJ | INLET LOCATION | CENTRALLY LOCATED IN END SECTION OF BODY |
| ARNK | INLET PROJECTION LENGTH | LOCATION NOT OTHERWISE SPECIFIED INCHES NOMINAL 4.200 |
| ARNL | INLET FLANGE SHAPE | LOCATION NOT OTHERWISE SPECIFIED ROUND |
| ARTG | OUTLET CONNECTION QUANTITY | 1 |
| ARTH | OUTLET CONNECTION TYPE | LOCATION NOT OTHERWISE SPECIFIED FLANGE |
| ARTJ | OUTLET LOCATION | CENTRALLY LOCATED IN END SECTION OF BODY |
| ARTL | OUTLET FLANGE SHAPE | LOCATION NOT OTHERWISE SPECIFIED ROUND |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 74001027 | 64559 | MAXON INDUSTRIES, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 86187-M | 76700 | CUMMINS FILTRATION INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=2990013426554&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2990013426554
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- All data is public U.S. government data; every row above links to its source record where one exists.

Canonical page: https://nsnexplorer.com/nsn/2990-01-342-6554/
JSON: https://nsnexplorer.com/api/nsn/2990-01-342-6554.json