# NSN 4320-22-640-3990: Pump Unit, Axial Pis

NSN 4320-22-640-3990 (also written 4320226403990; NIIN 22-640-3990) is a pump unit, axial pis in Federal Supply Class 4320, Power and Hand Pumps. It was last purchased in Sep 2026.

## Identification

- NSN: 4320-22-640-3990 (4320226403990)
- NIIN: 22-640-3990 (226403990)
- Item name: PUMP UNIT, AXIAL PIS
- Federal Supply Class: [FSC 4320 Power and Hand Pumps](https://nsnexplorer.com/fsc/4320/)
- Federal Supply Group: [FSG 43](https://nsnexplorer.com/group/43/)

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-03 | [SPE7M426V3352](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320226403990) | PUMP UNIT, AXIAL PIS | — | $23,200.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4320226403990&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320226403990
- 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/4320-22-640-3990/
JSON: https://nsnexplorer.com/api/nsn/4320-22-640-3990.json