# NSN 4320-00-741-7538: Pump Unit, Centrifugal

NSN 4320-00-741-7538 (also written 4320007417538; NIIN 00-741-7538) is a pump unit, centrifugal in Federal Supply Class 4320, Power and Hand Pumps. 3 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4320-00-741-7538 (4320007417538)
- NIIN: 00-741-7538 (007417538)
- 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 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AHYX | TOTAL HEAD | FEET 16.000 |
| AAYW | DISCHARGE CONNECTION TYPE | THREADED INTERNAL |
| AHZF | CENTRIFUGAL PUMP IMPELLER QUANTITY | 1 |
| AHZG | CENTRIFUGAL PUMP IMPELLER SUCTION TYPE | SINGLE |
| AHYZ | OPERATING SPEED AT RATED CAPACITY | REVOLUTIONS PER MINUTE 1750.0 |
| BFMF | COOLING METHOD | SELF VENTILATED |
| ELEC | VOLTAGE IN VOLTS | 115.0 |
| FAAZ | PHASE | SINGLE |
| AAYT | INTAKE CONNECTION QUANTITY | 1 |
| AKDJ | PRIME MOVER TYPE | ELECTRIC MOTOR |
| AKNA | INCLOSURE TYPE | OPEN |
| AAXH | PRIME MOVER QUANTITY | 1 |
| AAYD | STAGE QUANTITY | 1 |
| AHYV | MAXIMUM DISCHARGE FLOW RATE | GALLONS PER MINUTE 110.0 |
| AAYU | INTAKE CONNECTION TYPE | THREADED INTERNAL |
| AAYV | DISCHARGE CONNECTION QUANTITY | 1 |
| AHYW | DISCHARGE PRESSURE | POUNDS PER SQUARE INCH GAUGE (PSIG) 125.0 |
| ACDC | CURRENT TYPE | AC |
| ACZV | COOLING MEDIUM | PRIME MOVER AIR |
| ADZC | ENVIRONMENTAL PROTECTION | DRIPPROOF |
| AENC | PUMP QUANTITY | 1 |
| FREQ | FREQUENCY IN HERTZ | 60.0 |
| AHZE | CENTRIFUGAL PUMP DESIGN | RADIAL FLOW |
| MEDA | MEDIA FOR WHICH DESIGNED | LOCATION NOT OTHERWISE SPECIFIED WATER, FRESH |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 102222 | 06631 | ITT BELL AND GOSSET-HYDRONICS A UNIT OF ITT FLUID HANDLING DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| LD3 | 06631 | ITT BELL AND GOSSET-HYDRONICS A UNIT OF ITT FLUID HANDLING DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| S-45,3 IN | 52694 | ARMSTRONG PUMPS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-24 | $1,662.95 | 2 | 5VEH9 | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320007417538) |
| 2026-09-18 | $1,485.00 | 10 | HOOSIER INDUSTRIAL SUPPLY, INC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320007417538) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-24 | [SPE7M126V137P](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320007417538) | PUMP UNIT, CENTRIFUGAL | — | $3,325.90 |
| 2026-09-18 | [SPE7M126V145C](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320007417538) | PUMP UNIT, CENTRIFUGAL | HOOSIER INDUSTRIAL SUPPLY, INC | $14,850.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4320007417538&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320007417538
- 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/4320-00-741-7538/
JSON: https://nsnexplorer.com/api/nsn/4320-00-741-7538.json