# NSN 4140-01-504-8321: Fan, Vaneaxial

NSN 4140-01-504-8321 (also written 4140015048321; NIIN 01-504-8321) is a fan, vaneaxial in Federal Supply Class 4140, Fans, Air Circulators, and Blower Equipment. 2 manufacturer part numbers from 1 supplier are on record. No purchases are on record yet.

## Identification

- NSN: 4140-01-504-8321 (4140015048321)
- NIIN: 01-504-8321 (015048321)
- Item name: FAN,VANEAXIAL
- 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 |
| --- | --- | --- |
| ADNK | FLOW DIRECTION | INWARD |
| AGAV | END ITEM IDENTIFICATION | I/O DROP BOX |
| AKCV | DRIVE TYPE | DIRECT |
| AYSY | ROTATION DIRECTION FOR WHICH DESIGNED | COUNTERCLOCKWISE |
| MATT | MATERIAL | BLADE ALUMINUM |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| A1-1/2A4W6/TP | 53555 | HOWDEN AMERICAN FAN COMPANY DBA AMERICAN FAN CO DIV HOWDEN USA COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| NV 00012 REV C | 53555 | HOWDEN AMERICAN FAN COMPANY DBA AMERICAN FAN CO DIV HOWDEN USA COMPANY | [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=4140015048321&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4140015048321
- 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/4140-01-504-8321/
JSON: https://nsnexplorer.com/api/nsn/4140-01-504-8321.json