# NSN 4320-01-407-0990: Pump, Reciprocating

NSN 4320-01-407-0990 (also written 4320014070990; NIIN 01-407-0990) is a pump, reciprocating in Federal Supply Class 4320, Power and Hand Pumps. 6 manufacturer part numbers from 4 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 4320-01-407-0990 (4320014070990)
- NIIN: 01-407-0990 (014070990)
- Item name: PUMP,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 D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAXZ | CYLINDER QUANTITY | 1 |
| AAYT | INTAKE CONNECTION QUANTITY | 1 |
| AAYU | INTAKE CONNECTION TYPE | THREADED INTERNAL |
| AAYV | DISCHARGE CONNECTION QUANTITY | 1 |
| AENG | PUMPING ELEMENT TYPE | PISTON |
| AHYV | MAXIMUM DISCHARGE FLOW RATE | GALLONS PER MINUTE 1.0 |
| AHZJ | PUMP RECIPROCATING DESIGN | SINGLE ACTING |
| AHZN | RECIPROCATING STROKE TYPE | FIXED |
| APHE | OPERATION METHOD | MANUAL |
| FEAT | SPECIAL FEATURES | DISCHARGE CONNECTION TYPE IS A "SPOUT" |
| MEDA | MEDIA FOR WHICH DESIGNED | LOCATION NOT OTHERWISE SPECIFIED OIL |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 5105293 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| WB-280B | 6A840 | IMTRA CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| WS-280B | 6A840 | IMTRA CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| WS-28B | 0ZSP7 | SOUTHERN PACIFIC CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| WS-28B | 6A840 | IMTRA CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| WS-28B | E0654 | WHITE STAR PRODUCTS LTD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7M1-27-U-0162 | 33 | 2026-10-21 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4320014070990&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4320014070990&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320014070990
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- 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/4320-01-407-0990/
JSON: https://nsnexplorer.com/api/nsn/4320-01-407-0990.json