# NSN 4320-01-677-4591: Pump Unit, Centrifugal

NSN 4320-01-677-4591 (also written 4320016774591; NIIN 01-677-4591) is a pump unit, centrifugal in Federal Supply Class 4320, Power and Hand Pumps. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4320-01-677-4591 (4320016774591)
- NIIN: 01-677-4591 (016774591)
- 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 D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AKDJ | PRIME MOVER TYPE | ELECTRIC MOTOR |
| CSYL | PRIME MOVER POWER RATING | HORSEPOWER 1.500 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | VERTICAL BOOSTER PUMP |
| FAAZ | PHASE | THREE |
| FEAT | SPECIAL FEATURES | MATERIAL 304 STAINLESS STEEL |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| NV25B4FE3T | 3MRB8 | WEBER INDUSTRIES INC DBA WEBTROL PUMPS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-28 | $1,971.12 | 1 | KAMPI COMPONENTS CO INC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320016774591) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-28 | [SPE7M126V162U](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320016774591) | PUMP UNIT, CENTRIFUGAL | KAMPI COMPONENTS CO INC | $1,971.12 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4320016774591&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320016774591
- 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/4320-01-677-4591/
JSON: https://nsnexplorer.com/api/nsn/4320-01-677-4591.json