# NSN 2990-01-514-4574: Muffler, Exhaust

NSN 2990-01-514-4574 (also written 2990015144574; NIIN 01-514-4574) is a muffler, exhaust in Federal Supply Class 2990, Miscellaneous Engine Accessories, Nonaircraft. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 2990-01-514-4574 (2990015144574)
- NIIN: 01-514-4574 (015144574)
- 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 H: the government lacks sufficient, accurate or legible data to buy from other sources. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | HALVORSEN LOADER |
| ARND | MUFFLER DESIGN | STRAIGHT THROUGH W/BAFFLE |
| ARNF | TUBE QUANTITY | 2 |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 623-5392 | 19383 | JOHN BEAN TECHNOLOGIES CORP DIV AUTOMATED SYSTEMS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 623-5392 | 93408 | JOHN BEAN TECHNOLOGIES CORPORATION DBA JBT AEROTECH-MILITARY PROGRAMS DIV JBT AEROTECH | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-21 | [SPE7L026P1257](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2990015144574) | MUFFLER, EXHAUST | — | $3,597.96 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=2990015144574&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2990015144574
- 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/2990-01-514-4574/
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