# NSN 4320-01-172-0607: Pump Unit, Rotary

NSN 4320-01-172-0607 (also written 4320011720607; NIIN 01-172-0607) is a pump unit, rotary in Federal Supply Class 4320, Power and Hand Pumps. 3 manufacturer part numbers from 1 supplier are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4320-01-172-0607 (4320011720607)
- NIIN: 01-172-0607 (011720607)
- Item name: PUMP UNIT,ROTARY
- 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 C: needs engineering source approval; other sources must qualify first. (observed 2026-10-27)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAYT | INTAKE CONNECTION QUANTITY | 1 |
| AAYU | INTAKE CONNECTION TYPE | ROUND FLANGE |
| AAYV | DISCHARGE CONNECTION QUANTITY | 1 |
| AAYW | DISCHARGE CONNECTION TYPE | ROUND FLANGE |
| AENC | PUMP QUANTITY | 1 |
| AHYV | MAXIMUM DISCHARGE FLOW RATE | GALLONS PER MINUTE 25.0 |
| AHYW | DISCHARGE PRESSURE | POUNDS PER SQUARE INCH GAUGE (PSIG) 25.000 |
| AHYZ | OPERATING SPEED AT RATED CAPACITY | REVOLUTIONS PER MINUTE 1000.0 |
| AHZR | ROTARY PUMP DESIGN | VANE |
| CQQF | OPERATING PRESSURE | POWER DRIVE POUNDS PER SQUARE INCH GAUGE (PSIG) NOMINAL 90.0 |
| FEAT | SPECIAL FEATURES | 90.0 POUNDS PER/SQUARE IN. GAGE W/MECHANICAL SHAFT SEALS AND BYPASS RELIEF VALVE |
| MEDA | MEDIA FOR WHICH DESIGNED | LOCATION NOT OTHERWISE SPECIFIED FUEL/OIL, HYDROCARBON |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| E3913 | 07524 | DOVER PUMPS & PROCESS SOLUTIONS SEGMENT INC DBA BLACKMER DIV BLACKMER | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| E4177 | 07524 | DOVER PUMPS & PROCESS SOLUTIONS SEGMENT INC DBA BLACKMER DIV BLACKMER | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| E4177 ITEM 48 | 07524 | DOVER PUMPS & PROCESS SOLUTIONS SEGMENT INC DBA BLACKMER DIV BLACKMER | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-02 | [SPE7M126P9559](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320011720607) | PUMP UNIT, ROTARY | PHOENIX TRADING INC. | $44,124.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4320011720607&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320011720607
- 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/4320-01-172-0607/
JSON: https://nsnexplorer.com/api/nsn/4320-01-172-0607.json