# NSN 4320-01-258-9469: Impeller, Pump, Centrifugal

NSN 4320-01-258-9469 (also written 4320012589469; NIIN 01-258-9469) is an impeller, pump, centrifugal in Federal Supply Class 4320, Power and Hand Pumps. 2 manufacturer part numbers from 1 supplier are on record. No purchases are on record yet.

## Identification

- NSN: 4320-01-258-9469 (4320012589469)
- NIIN: 01-258-9469 (012589469)
- Item name: IMPELLER,PUMP,CENTRIFUGAL
- Federal Supply Class: [FSC 4320 Power and Hand Pumps](https://nsnexplorer.com/fsc/4320/)
- Federal Supply Group: [FSG 43](https://nsnexplorer.com/group/43/)
- 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 |
| --- | --- | --- |
| ADAV | OVERALL DIAMETER | INCHES NOMINAL 9.500 |
| AGAV | END ITEM IDENTIFICATION | WARREN PUMP MODEL 4TDH-6 |
| AYSY | ROTATION DIRECTION FOR WHICH DESIGNED | CLOCKWISE |
| MATT | MATERIAL | STEEL |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 657C1310-0950B517A | 63857 | CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 657C1310B517A | 63857 | CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS | [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=4320012589469&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320012589469
- 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/4320-01-258-9469/
JSON: https://nsnexplorer.com/api/nsn/4320-01-258-9469.json