# NSN 1660-01-474-6377: Insulation Blanket

NSN 1660-01-474-6377 (also written 1660014746377; NIIN 01-474-6377) is an insulation blanket in Federal Supply Class 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. 2 manufacturer part numbers from 1 supplier are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 1660-01-474-6377 (1660014746377)
- NIIN: 01-474-6377 (014746377)
- Item name: INSULATION BLANKET
- 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 C: needs engineering source approval; other sources must qualify first. (observed 2026-11-04)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | P/N 814291-6 REFRIGERATION PACKAGE |
| FEAT | SPECIAL FEATURES | INSULATION CONSISTS OF 0.375 IN. THK 8 LB/CU FT KAOWOOL PRIOR TO FORMING;EYELETS AND TABS ARE CORROSION RESISTANT STEEL FOR LACING PURPOSES;INTER AND OUTER COVERS ARE TEXTURIZED CORROSION RESISTANT STEEL PER ANS 5510 0.003 THK;NEXT HIGHER ASSEMBLY IS 1660-01-454-6710 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 814274 | 73030 | HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 814274-2 | 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 |
| --- | --- | --- | --- | --- |
| 2026-08-18 | [SPE4AX22D9404/SPE4A626F357K](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1660014746377) | INSULATION BLANKET | HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE | $5,695.70 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=1660014746377&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1660014746377
- 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.

Canonical page: https://nsnexplorer.com/nsn/1660-01-474-6377/
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