# NSN 1660-00-299-1773: Impeller Wheel, Aircraft Cooling

NSN 1660-00-299-1773 (also written 1660002991773; NIIN 00-299-1773) is an impeller wheel, aircraft cooling in Federal Supply Class 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. 2 manufacturer part numbers from 2 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 1660-00-299-1773 (1660002991773)
- NIIN: 00-299-1773 (002991773)
- Item name: IMPELLER WHEEL,AIRCRAFT COOLING
- Federal Supply Class: [FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment](https://nsnexplorer.com/fsc/1660/)
- Federal Supply Group: [FSG 16](https://nsnexplorer.com/group/16/)
- Acquisition method suffix code: AMSC P: the government does not own the rights to the data needed for more sources. (observed 2026-10-16)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | P/N 571545-4-2 TURBINE |
| FEAT | SPECIAL FEATURES | ALUMINUM ALLOY,MIL-T-9047,COMPOSITION 6; 0.5897 IN. MIN. TO 0.5899 IN. MAX. ID; 5.043 IN. MIN. TO 5.048 IN. MAX. OD; 1.473 IN. MIN. TO 1.497 IN. MAX. THK |
| ZZZV | FSC APPLICATION DATA | AIRCRAFT AIR CONDITIONING SYSTEM |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 571579-1 | 0PXV4 | THE BOEING COMPANY DIV SERVICES | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 571579-1 | 70210 | HONEYWELL INTERNATIONAL INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE4A1-27-T-0137 | 1 | 2026-10-23 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=1660002991773&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=1660002991773&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1660002991773
- 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/1660-00-299-1773/
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