# NSN 1660-01-057-7859: Scroll Housing, Aircraft Cooling

NSN 1660-01-057-7859 (also written 1660010577859; NIIN 01-057-7859) is a scroll housing, aircraft cooling in Federal Supply Class 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Nov 2026.

## Identification

- NSN: 1660-01-057-7859 (1660010577859)
- NIIN: 01-057-7859 (010577859)
- Item name: SCROLL HOUSING,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 2026-11-06)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | U/O TURBINE P/N764828-2 ACFT F16A/B |
| FEAT | SPECIAL FEATURES | ALUMINUM ALLOY AMS4217; HARDNESS 19-75 RB; HEAT TRGAT HS454; APPROX 8.261 IN. LG; 6.985 IN. W; 10 HOLES 0.540 IN. DP PORM 0.030 IN. THD FOR 0.190-32UNF -2B HELICAL COIL INSERT; 8 HOLES 0.2295 IN. PORM 0.0035 IN. DIA 0.0406 IN. PORM 0.01 IN. DIA COUNTERBORE |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 764488-1 | 73030 | HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 764488-1 | 7CNG1 | FDH DEFENSE AFTERMARKET, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-11-05 | [SPE4A525P8393](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1660010577859) | SCROLL HOUSING, AIRC | FDH DEFENSE AFTERMARKET, LLC | $139,746.12 |
| 2026-11-04 | [SPE4A525P7028](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1660010577859) | SCROLL HOUSING, AIRC | FDH DEFENSE AFTERMARKET, LLC | $141,602.75 |
| 2026-11-04 | [SPE4A525P7028](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1660010577859) | SCROLL HOUSING, AIRC | FDH DEFENSE AFTERMARKET, LLC | $141,602.75 |
| 2026-11-04 | [SPE4A525P7028](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1660010577859) | SCROLL HOUSING, AIRC | FDH DEFENSE AFTERMARKET, LLC | $141,602.75 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=1660010577859&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1660010577859
- 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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