# NSN 4140-01-346-5350: Housing, Centrifugal Fan

NSN 4140-01-346-5350 (also written 4140013465350; NIIN 01-346-5350) is a housing, centrifugal fan in Federal Supply Class 4140, Fans, Air Circulators, and Blower Equipment. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4140-01-346-5350 (4140013465350)
- NIIN: 01-346-5350 (013465350)
- Item name: HOUSING,CENTRIFUGAL FAN
- Federal Supply Class: [FSC 4140 Fans, Air Circulators, and Blower Equipment](https://nsnexplorer.com/fsc/4140/)
- Federal Supply Group: [FSG 41](https://nsnexplorer.com/group/41/)
- 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 |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | CH-53E(COMMON AND PECULIAR) |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 3386410-1 | 55820 | RTX CORPORATION DIV PRATT & WHITNEY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3386410-1 | 73030 | HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-22 | $5,768.90 | 22 | HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4140013465350) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-22 | [SPE4A125G0027/SPE4A726F044L](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4140013465350) | HOUSING, CENTRIFUGAL | HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE | $126,915.80 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4140013465350&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4140013465350
- 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/4140-01-346-5350/
JSON: https://nsnexplorer.com/api/nsn/4140-01-346-5350.json