# NSN 2520-00-557-5974: Carrier Assembly, Front

NSN 2520-00-557-5974 (also written 2520005575974; NIIN 00-557-5974) is a carrier assembly, front in Federal Supply Class 2520, Vehicular Power Transmission Components. 3 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 2520-00-557-5974 (2520005575974)
- NIIN: 00-557-5974 (005575974)
- Item name: CARRIER ASSEMBLY,FRONT
- Federal Supply Class: [FSC 2520 Vehicular Power Transmission Components](https://nsnexplorer.com/fsc/2520/)
- Federal Supply Group: [FSG 25](https://nsnexplorer.com/group/25/)
- Acquisition method suffix code: AMSC C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | STEEL;RIVETED CONSTRUCTION;CONSISTS OF CARRIER;HOLDER;SLEEVE BEARING;6 SPUR GEARS;6 SHAFTS AND 6 PINS;2.062 IN. O/A LG;8.625 IN. LARGEST OD;2.500 IN. BORE DIA |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 6835553 | 73342 | ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6882565 | 3VFP6 | THE W.W. WILLIAMS COMPANY, LLC DBA THE W.W. WILLIAMS CO, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6882565 | 73342 | ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, 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=2520005575974&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2520005575974
- 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/2520-00-557-5974/
JSON: https://nsnexplorer.com/api/nsn/2520-00-557-5974.json