# NSN 4320-01-504-1640: Impeller, Pump, Centrifugal

NSN 4320-01-504-1640 (also written 4320015041640; NIIN 01-504-1640) is an impeller, pump, centrifugal in Federal Supply Class 4320, Power and Hand Pumps. 5 manufacturer part numbers from 1 supplier are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4320-01-504-1640 (4320015041640)
- NIIN: 01-504-1640 (015041640)
- 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 D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-27)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | IMPELLER,PUMP |
| FEAT | SPECIAL FEATURES | IMPELLER DIAMETER: 9.63 IN NOMINAL; IMPELLER MATERIAL: COMPOSITE, SIMSITE; MATERIAL SPEC: 803-7226047; DRWG STATES: WHEN ORDERING IMPELLER AS A REPAIR PART, THE IMPELLER DIAMETER FROM THE NAMEPLATE MUST BE PROVIDED |
| AGAV | END ITEM IDENTIFICATION | PUMP,CENTRIFUGAL |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 002-1610B02-318 | 10941 | CARVER PUMP COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 002-1610B02-318 9.63"W.938"ORIFA | 10941 | CARVER PUMP COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 999-1110-B-02 REV 4 ITEM 2 | 10941 | CARVER PUMP COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 999-1110-B-02-2 | 10941 | CARVER PUMP COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 999-1110-B02 | 10941 | CARVER PUMP COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-02 | [SPE7M126V119N](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320015041640) | IMPELLER, PUMP, CENTR | ALL-SAFE INC | $9,239.00 |
| 2026-08-19 | [SPE7M126P9730](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320015041640) | IMPELLER, PUMP, CENTR | ALL-SAFE INC | $27,243.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4320015041640&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320015041640
- 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/4320-01-504-1640/
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