# NSN 4320-01-283-9633: Pump, Rotary

NSN 4320-01-283-9633 (also written 4320012839633; NIIN 01-283-9633) is a pump, rotary in Federal Supply Class 4320, Power and Hand Pumps. 6 manufacturer part numbers from 5 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4320-01-283-9633 (4320012839633)
- NIIN: 01-283-9633 (012839633)
- Item name: PUMP,ROTARY
- 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 2026-10-27)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AHYV | MAXIMUM DISCHARGE FLOW RATE | GALLONS PER MINUTE 10.0 |
| AHYW | DISCHARGE PRESSURE | POUNDS PER SQUARE INCH GAUGE (PSIG) 50.0 AND POUNDS PER SQUARE INCH GAUGE (PSIG) 100.0 |
| AHYZ | OPERATING SPEED AT RATED CAPACITY | REVOLUTIONS PER MINUTE 450.0 AND REVOLUTIONS PER MINUTE 900.0 |
| AHZD | PUMP ROTATION DIRECTION | COUNTERCLOCKWISE |
| AHZR | ROTARY PUMP DESIGN | GEAR |
| MEDA | MEDIA FOR WHICH DESIGNED | LOCATION NOT OTHERWISE SPECIFIED FUEL/OIL, HYDROCARBON |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 5175101-30164 | 86329 | PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV GAS TURBINE FUEL SYSTEMS DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| ML11387297G1 | 0AT62 | SIEMENS ENERGY, INC. DBA DRESSER-RAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| ML11387297G1 | 830Q4 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS-WRIGHT STEAM AND AIR SOLUTIONS DIV STEAM AND AIR SOLUTIONS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| ML11387297G1 | 8FGX3 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORP DBA STEAM & AIR SOLUTIONS DIV CURTISS-WRIGHT STEAM AND AIR SOLUTIONS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| W135421 | 0AT62 | SIEMENS ENERGY, INC. DBA DRESSER-RAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| W135421 | 88663 | DRESSER-RAND CO INGERSOLL-RAND OPNS A JOINT VENTURE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-08 | [SPE7M126P8794](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320012839633) | PUMP, ROTARY | ARGO TURBOSERVE CORPORATION DIV ARGO TURBOSERVE CORP. | $47,795.40 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4320012839633&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320012839633
- 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/4320-01-283-9633/
JSON: https://nsnexplorer.com/api/nsn/4320-01-283-9633.json
