# NSN 4320-00-485-5050: Impeller, Pump, Centrifugal

NSN 4320-00-485-5050 (also written 4320004855050; NIIN 00-485-5050) is an impeller, pump, centrifugal in Federal Supply Class 4320, Power and Hand Pumps. 4 manufacturer part numbers from 1 supplier are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4320-00-485-5050 (4320004855050)
- NIIN: 00-485-5050 (004855050)
- 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 L: annual buy value is below the screening threshold. (observed 2026-10-27)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABMK | OVERALL WIDTH | INCHES NOMINAL 3.062 |
| ABRR | KEYWAY WIDTH | INCHES NOMINAL 0.188 |
| AJLJ | HUB LENGTH | SECOND INCHES NOMINAL 1.000 |
| AFYS | KEYWAY LENGTH | INCHES NOMINAL 1.094 |
| AJLB | BLADE QUANTITY | 4 |
| AJLJ | HUB LENGTH | FIRST INCHES NOMINAL 1.094 |
| ABRV | KEYWAY DEPTH | INCHES NOMINAL 0.094 |
| BLKK | HUB QUANTITY | 2 |
| CPWW | HUB PROJECTION LENGTH BEYOND WHEEL SIDE | INCHES NOMINAL 1.000 AND INCHES NOMINAL 1.094 |
| CPWX | KEYWAY TYPE | STRAIGHT |
| MATT | MATERIAL | COPPER ALLOY |
| ANCT | BLADE TYPE | BACKWARD CURVE |
| APGF | DESIGN TYPE | SINGLE WIDTH |
| AEVE | KEYWAY QUANTITY | 1 |
| AYSY | ROTATION DIRECTION FOR WHICH DESIGNED | CLOCKWISE |
| ADAV | OVERALL DIAMETER | INCHES NOMINAL 3.531 |
| BDJW | HUB LOCATION | BACK SIDE AND FRONT SIDE |
| BDDS | HUB BORE DIAMETER | SINGLE INCHES NOMINAL 0.688 AND INCHES NOMINAL 1.375 |
| AXGY | MOUNTING METHOD | KEY |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 004-01N-A02-252-3.5312IN | 10941 | CARVER PUMP COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| B-004-01N-A-02-3 17/32-252 | 10941 | CARVER PUMP COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| B004-01NA01-3 1 | 10941 | CARVER PUMP COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| B004-01NA01-3-32-252 | 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 |
| --- | --- | --- | --- | --- |
| 2026-09-08 | [SPE7M126V7405](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320004855050) | IMPELLER, PUMP, CENTRIFUGAL | ALL-SAFE INC | $7,195.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4320004855050&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320004855050
- 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/4320-00-485-5050/
JSON: https://nsnexplorer.com/api/nsn/4320-00-485-5050.json