# NSN 4320-01-500-8101: Pump Unit, Centrifugal

NSN 4320-01-500-8101 (also written 4320015008101; NIIN 01-500-8101) is a pump unit, centrifugal in Federal Supply Class 4320, Power and Hand Pumps. 2 manufacturer part numbers from 1 supplier are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4320-01-500-8101 (4320015008101)
- NIIN: 01-500-8101 (015008101)
- Item name: PUMP UNIT,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 L: annual buy value is below the screening threshold. (observed 2026-10-27)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | 5840-01-450-8127 |
| AHYV | MAXIMUM DISCHARGE FLOW RATE | GALLONS PER MINUTE 11.4 |
| AHYW | DISCHARGE PRESSURE | POUNDS PER SQUARE INCH GAUGE (PSIG) 43.0 |
| AHYZ | OPERATING SPEED AT RATED CAPACITY | REVOLUTIONS PER MINUTE 3400.0 |
| FEAT | SPECIAL FEATURES | ITEM AKA: MAGNETIC DRIVE PUMP MODEL MD-70RZT, FLUID TEMP. RANGE (F) 32-176, CONNECTION SIZE 3/4 IN NPTM, AMB TEMP RANGE (DEG F) 32-104, IMPELLER DIAM. 3.86 IN., WGHT: 13.2, LENGTH: 9.72 IN., WIDTH: 5.63 IN., HEIGHT: 6.50 IN. |
| ELEC | VOLTAGE IN VOLTS | 115.0 |
| AAYU | INTAKE CONNECTION TYPE | THREADED EXTERNAL |
| AENC | PUMP QUANTITY | 1 |
| AAXH | PRIME MOVER QUANTITY | 1 |
| AHZF | CENTRIFUGAL PUMP IMPELLER QUANTITY | 1 |
| AKDJ | PRIME MOVER TYPE | ELECTRIC MOTOR |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| MD-70RLZT-115V | 30128 | WALCHEM CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MD-70RZT | 30128 | WALCHEM CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-08 | [SPE7L126P6668](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320015008101) | PUMP UNIT, CENTRIFUG | — | $1,285.20 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4320015008101&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320015008101
- 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/4320-01-500-8101/
JSON: https://nsnexplorer.com/api/nsn/4320-01-500-8101.json