# NSN 4320-01-283-2077: Impeller, Pump, Centrifugal

NSN 4320-01-283-2077 (also written 4320012832077; NIIN 01-283-2077) is an impeller, pump, centrifugal in Federal Supply Class 4320, Power and Hand Pumps. 3 manufacturer part numbers from 1 supplier are on record. It was last purchased in Nov 2026.

## Identification

- NSN: 4320-01-283-2077 (4320012832077)
- NIIN: 01-283-2077 (012832077)
- 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 2026-10-23)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ADAV | OVERALL DIAMETER | INCHES NOMINAL 11.375 |
| AJLB | BLADE QUANTITY | 5 |
| APGF | DESIGN TYPE | SINGLE WIDTH |
| AYSY | ROTATION DIRECTION FOR WHICH DESIGNED | CLOCKWISE |
| MATT | MATERIAL | NICKEL ALLOY |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 3-0174-01 | 83130 | AIR & LIQUID SYSTEMS CORPORATION DBA BUFFALO PUMPS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| NG12316-1-11 X 11.375IN | 83130 | AIR & LIQUID SYSTEMS CORPORATION DBA BUFFALO PUMPS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| NG12316-1-11.375IN. | 83130 | AIR & LIQUID SYSTEMS CORPORATION DBA BUFFALO PUMPS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-11-03 | $56,027.99 | 1 | 9FB10 | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320012832077) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-11-03 | [SPE7M127V1315](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320012832077) | IMPELLER, PUMP, CENTRIFUGAL | — | $56,027.99 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4320012832077&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320012832077
- 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/4320-01-283-2077/
JSON: https://nsnexplorer.com/api/nsn/4320-01-283-2077.json