# NSN 1660-01-185-4185: Turbine Wheel Assembly, Aircraft

NSN 1660-01-185-4185 (also written 1660011854185; NIIN 01-185-4185) is a turbine wheel assembly, aircraft in Federal Supply Class 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Oct 2026.

## Identification

- NSN: 1660-01-185-4185 (1660011854185)
- NIIN: 01-185-4185 (011854185)
- Item name: TURBINE WHEEL ASSEMBLY,AIRCRAFT
- 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 2026-10-23)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | 1660011680334 |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | STEEL PER AMS 4121,HARDNESS 78 RB MIN;O/A DIMS 5.730 IN. DIA,3.111 IN. LG |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 750575-2 | 73030 | HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-20 | [SPE4AX22D9404/SPE4A627F1269](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1660011854185) | TURBINE WHEEL ASSEMBLY, AIRCRAFT COOLING | HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE | $252,674.64 |
| 2026-10-20 | [SPE4AX22D9404/SPE4A627F1269](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1660011854185) | TURBINE WHEEL ASSEMBLY, AIRCRAFT COOLING | HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE | $252,674.64 |
| 2026-09-15 | [SPE4AX22D9404/SPE4A626F430E](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1660011854185) | TURBINE WHEEL ASSEM | HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE | $21,056.22 |
| 2026-09-14 | [SPE4AX22D9404/SPE4A626F425N](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1660011854185) | TURBINE WHEEL ASSEM | HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE | $21,056.22 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=1660011854185&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1660011854185
- 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.

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