# NSN 4320-01-029-4301: Idler, Pump

NSN 4320-01-029-4301 (also written 4320010294301; NIIN 01-029-4301) is an idler, pump in Federal Supply Class 4320, Power and Hand Pumps. 8 manufacturer part numbers from 2 suppliers are on record. The government has 2 open solicitations for it.

## Identification

- NSN: 4320-01-029-4301 (4320010294301)
- NIIN: 01-029-4301 (010294301)
- Item name: IDLER,PUMP
- 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 R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. (observed 2026-11-01)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | STEEL,QQ-S-637 COMP 1144 COND QTCDSR OR AISI C1144 MODIFIED,19.785 IN. O/A LG,2.7746 IN. MAX OD,EACH END 0.845 IN. OD BY 2-1/4 IN. LG |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| RSC462MA | 16712 | SIEMENS ENERGY, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| RSC462MA | 59180 | CIRCOR PUMPS NORTH AMERICA LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SF-10466 | 16712 | SIEMENS ENERGY, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SF-10466PC019 | 16712 | SIEMENS ENERGY, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SF-10466PC019 | 59180 | CIRCOR PUMPS NORTH AMERICA LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SF-10470 | 16712 | SIEMENS ENERGY, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SF-10470PC019 | 16712 | SIEMENS ENERGY, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SF-10470PC019 | 59180 | CIRCOR PUMPS NORTH AMERICA LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7M1-27-T-1716 | 2 | 2026-11-09 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4320010294301&category=nsn) |
| SPE7M1-27-T-2054 | 3 | 2026-11-16 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4320010294301&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4320010294301&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320010294301
- 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/4320-01-029-4301/
JSON: https://nsnexplorer.com/api/nsn/4320-01-029-4301.json