# NSN 2990-01-477-2195: Muffler, Exhaust

NSN 2990-01-477-2195 (also written 2990014772195; NIIN 01-477-2195) is a muffler, exhaust in Federal Supply Class 2990, Miscellaneous Engine Accessories, Nonaircraft. 7 manufacturer part numbers from 6 suppliers are on record. It was last purchased in Nov 2026.

## Identification

- NSN: 2990-01-477-2195 (2990014772195)
- NIIN: 01-477-2195 (014772195)
- Item name: MUFFLER,EXHAUST
- 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 B: must be bought from the sources named on a source control or selected item drawing. (observed 2026-11-06)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 14.000 |
| ABMK | OVERALL WIDTH | INCHES NOMINAL 6.000 |
| ACQW | INLET CONNECTION TYPE | SINGLE INLET FLANGE |
| AGAV | END ITEM IDENTIFICATION | EI: 6115-01-285-3012, P/N: MEP831A, 3 KW GEN SET |
| ARND | MUFFLER DESIGN | STRAIGHT THROUGH |
| ARNF | TUBE QUANTITY | 2 |
| ARNG | BODY SHAPE | IRREGULAR |
| ARNH | OPERATING POSITION | HORIZONTAL |
| ARNK | INLET PROJECTION LENGTH | SINGLE INLET INCHES NOMINAL 5.720 |
| ARNL | INLET FLANGE SHAPE | SINGLE INLET OVAL |
| ARNM | INLET FLANGE MOUNTING PROVISION AND QUANTITY | SINGLE INLET HOLES 2 |
| ARNN | INLET FLANGE MOUNTING HOLE DIAMETER | SINGLE INLET INCHES NOMINAL 0.354 |
| ARTK | OUTLET PROJECTION LENGTH | FIRST OUTLET INCHES NOMINAL 4.500 |
| MATT | MATERIAL | LOCATION NOT OTHERWISE SPECIFIED STEEL CORROSION RESISTING |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 08-MS-08763-00000-MU | L9894 | NETT TECHNOLOGIES INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 27053N | 0TW02 | NELSON INDUSTRIES INC DBA NELSON INDUSTRIES UNIVERSAL SILENCER | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 27053N | 4NWG5 | NELSON GLOBAL PRODUCTS, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 98-19607 | 30554 | DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 98-19607 | 7S7C4 | CUMMINS INC. DBA CUMMINS SALES AND SERVICE DIV CUMMINS SALES AND SERVICE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 98-19607 | 93742 | DRS NAVAL POWER SYSTEMS INC DBA DRS POWER & CONTROL TECHNOLOGIES INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 98-19607 | L9894 | NETT TECHNOLOGIES INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-11-05 | [SPE7L126D62HT/SPE7L127F1572](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2990014772195) | MUFFLER, EXHAUST | — | $64,425.15 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=2990014772195&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2990014772195
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- 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/2990-01-477-2195/
JSON: https://nsnexplorer.com/api/nsn/2990-01-477-2195.json