# NSN 2990-01-583-7455: Cap Assembly, Protective, Muffler-

NSN 2990-01-583-7455 (also written 2990015837455; NIIN 01-583-7455) is a cap assembly, protective, muffler- in Federal Supply Class 2990, Miscellaneous Engine Accessories, Nonaircraft. 1 manufacturer part number from 1 supplier is on record. No purchases are on record yet.

## Identification

- NSN: 2990-01-583-7455 (2990015837455)
- NIIN: 01-583-7455 (015837455)
- Item name: CAP ASSEMBLY,PROTECTIVE,MUFFLER-
- 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 |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | 4110-01-534-7675 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | EXTENSION ASSEMBLY,ENGINE EXHAUST,LONG |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 891-28010 | 4X630 | GUILD ASSOCIATES 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=2990015837455&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2990015837455
- 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/2990-01-583-7455/
JSON: https://nsnexplorer.com/api/nsn/2990-01-583-7455.json