# NSN 4320-01-040-1112: Rotor, Pump

NSN 4320-01-040-1112 (also written 4320010401112; NIIN 01-040-1112) is a rotor, pump in Federal Supply Class 4320, Power and Hand Pumps. 6 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4320-01-040-1112 (4320010401112)
- NIIN: 01-040-1112 (010401112)
- Item name: ROTOR,PUMP
- 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 |
| --- | --- | --- |
| CYPQ | ROTOR DESIGN | SCREW |
| FEAT | SPECIAL FEATURES | IDLER ROTOR |
| MATT | MATERIAL | STEEL |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| RSC275AJ | 16712 | SIEMENS ENERGY, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| RSC275AJ | 59180 | CIRCOR PUMPS NORTH AMERICA LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SF-10163 | 16712 | SIEMENS ENERGY, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SF-10163 | 59180 | CIRCOR PUMPS NORTH AMERICA LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SF10163PC43 | 16712 | SIEMENS ENERGY, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SF10163PC43 | 59180 | CIRCOR PUMPS NORTH AMERICA LLC | [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=4320010401112&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320010401112
- 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/4320-01-040-1112/
JSON: https://nsnexplorer.com/api/nsn/4320-01-040-1112.json