# NSN 4320-01-690-8355: Pump Unit, Reciprocating

NSN 4320-01-690-8355 (also written 4320016908355; NIIN 01-690-8355) is a pump unit, reciprocating in Federal Supply Class 4320, Power and Hand Pumps. 2 manufacturer part numbers from 1 supplier are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4320-01-690-8355 (4320016908355)
- NIIN: 01-690-8355 (016908355)
- Item name: PUMP UNIT,RECIPROCATING
- 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 Q: the government lacks adequate data or rights, but breakout to competition is expected. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAXX | MOUNTING TYPE | BASE |
| AAYU | INTAKE CONNECTION TYPE | OVAL FLANGE |
| AAYV | DISCHARGE CONNECTION QUANTITY | 1 |
| AAYW | DISCHARGE CONNECTION TYPE | OVAL FLANGE |
| AENC | PUMP QUANTITY | 1 |
| AGAV | END ITEM IDENTIFICATION | PUMP,CIRCULATING |
| AHYV | MAXIMUM DISCHARGE FLOW RATE | GALLONS PER MINUTE 70.0 |
| AHYW | DISCHARGE PRESSURE | POUNDS PER SQUARE INCH GAUGE (PSIG) 232.0 |
| CSYL | PRIME MOVER POWER RATING | HORSEPOWER 3.0 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | VERTICAL MULTISTAGE PUMP |
| FREQ | FREQUENCY IN HERTZ | 60.0 |
| MATT | MATERIAL | PUMP BASIC IRON CAST OR STEEL |
| MEDA | MEDIA FOR WHICH DESIGNED | WATER, FRESH AND WASTEWATER |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 18-5248 REV 3 | 3MRB8 | WEBER INDUSTRIES INC DBA WEBTROL PUMPS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| NV45B4FE | 3MRB8 | WEBER INDUSTRIES INC DBA WEBTROL PUMPS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-24 | [SPE7M126V7236](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320016908355) | PUMP UNIT, RECIPROCA | KAMPI COMPONENTS CO INC | $4,774.92 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4320016908355&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320016908355
- 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/4320-01-690-8355/
JSON: https://nsnexplorer.com/api/nsn/4320-01-690-8355.json