# NSN 4320-01-348-2322: Pump Unit, Reciprocating

NSN 4320-01-348-2322 (also written 4320013482322; NIIN 01-348-2322) is a pump unit, reciprocating in Federal Supply Class 4320, Power and Hand Pumps. 3 manufacturer part numbers from 3 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4320-01-348-2322 (4320013482322)
- NIIN: 01-348-2322 (013482322)
- 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 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 |
| --- | --- | --- |
| FEAT | SPECIAL FEATURES | C/O PUMP ASSY,1;DISCHARGE LINE ASSY,1;LOCK NUT,1;MALE TUBE CONNECTOR,1;PUMP COLD END ASSY,1;DISCHARGE VALVE ASSY,1;INLET VALVE ASSY,1;RETAINER NUT,1;SCREEN INLET,1;PISTON RING SET,1;TUBE CONNECTOR,1;T.O. 35D3-6-45-4 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 51-2533-04200 | 19879 | CHART INC DIV CRYOGENIC SYSTEMS DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 51-2533-04200 | 1YFE8 | LINDE LLC DBA CRYOSTAR USA | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| A111817 | 14487 | PROVISION, INC. DBA PROVISION INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4320013482322&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320013482322
- 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/4320-01-348-2322/
JSON: https://nsnexplorer.com/api/nsn/4320-01-348-2322.json