# NSN 2990-01-627-9155: Muffler, Exhaust

NSN 2990-01-627-9155 (also written 2990016279155; NIIN 01-627-9155) is a muffler, exhaust in Federal Supply Class 2990, Miscellaneous Engine Accessories, Nonaircraft. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Oct 2026.

## Identification

- NSN: 2990-01-627-9155 (2990016279155)
- NIIN: 01-627-9155 (016279155)
- 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 D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ACQW | INLET CONNECTION TYPE | SINGLE INLET FLANGE |
| AJLW | OUTLET INSIDE DIAMETER | FIRST OUTLET INCHES NOMINAL 3.51 |
| APGF | DESIGN TYPE | DRY |
| ARNA | COOLANT TYPE | AIR |
| ARND | MUFFLER DESIGN | STRAIGHT THROUGH |
| ARNG | BODY SHAPE | RECTANGULAR |
| ARNH | OPERATING POSITION | HORIZONTAL |
| ARTE | INLET INSIDE DIAMETER | SINGLE INLET INCHES NOMINAL 3.87 |
| ARTH | OUTLET CONNECTION TYPE | FIRST OUTLET FLANGE |
| ARTL | OUTLET FLANGE SHAPE | FIRST OUTLET OVAL |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | MUFFLER |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| SD0793 | 0P4U1 | SUPERIOR DIESEL, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-10-08 | $475.98 | 1 | 4X8W5 | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2990016279155) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-08 | [SPE7L127V0403](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2990016279155) | MUFFLER, EXHAUST | — | $475.98 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=2990016279155&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2990016279155
- 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/2990-01-627-9155/
JSON: https://nsnexplorer.com/api/nsn/2990-01-627-9155.json