# NSN 4140-01-451-7042: Fan, Centrifugal

NSN 4140-01-451-7042 (also written 4140014517042; NIIN 01-451-7042) is a fan, centrifugal in Federal Supply Class 4140, Fans, Air Circulators, and Blower Equipment. 4 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4140-01-451-7042 (4140014517042)
- NIIN: 01-451-7042 (014517042)
- Item name: FAN,CENTRIFUGAL
- 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 L: annual buy value is below the screening threshold. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABGL | WIDTH | MILLIMETERS NOMINAL 50.8 |
| ABMZ | DIAMETER | MILLIMETERS NOMINAL 171.5 |
| AKCV | DRIVE TYPE | BELT |
| CQKX | AIR FLOW RATE | CUBIC FEET PER MINUTE NOMINAL 235.0 |
| CXHN | SHAFT BEARING TYPE | BALL |
| MATT | MATERIAL | HOUSING ALUMINUM |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 031084 | 5Y921 | COMAIR ROTRON INC SUB OF KL INDUSTRIES INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 031084 | 82877 | ROTRON INCORPORATED | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| PQ24B4 | 5Y921 | COMAIR ROTRON INC SUB OF KL INDUSTRIES INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| PQ24B4 | 82877 | ROTRON INCORPORATED | [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=4140014517042&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4140014517042
- 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/4140-01-451-7042/
JSON: https://nsnexplorer.com/api/nsn/4140-01-451-7042.json