# NSN 1660-01-050-0016: Cover Insulating, Coupling

NSN 1660-01-050-0016 (also written 1660010500016; NIIN 01-050-0016) is a cover insulating, coupling in Federal Supply Class 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. 9 manufacturer part numbers from 9 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 1660-01-050-0016 (1660010500016)
- NIIN: 01-050-0016 (010500016)
- Item name: COVER INSULATING,COUPLING
- 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 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | ACFT F16 |
| RDAL | REFERENCE DATA AND LITERATURE | T.O. 1F16A4-21 |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | MATL P1000-1 OR EQUIV,3.900 IN. LG,3.000 IN. W,2.500 IN. D,1 HOLE 2.000 IN. ID,SPLIT LINE ONE SIDE FULL LG OF DEPTH |
| ZZZV | FSC APPLICATION DATA | ACFT AIR CONDITIONING SYSTEM |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 1660PL0661162 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 1T-5678-2 | 26831 | INDUSTRIAL TUBE CO LLC DBA INDUSTRIAL TUBE CO LLC DIV INDUSTRIAL TUBE COMPANY, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 55A009-2 | 14711 | RSA ENGINEERED PRODUCTS, LLC DBA RSA ENGINEERED PRODUCTS LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 55A009-2 | 60980 | MEGGITT OREGON INC DBA MEGGITT OREGON INC DIV MEGGITT POLYMERS & COMPOSITES | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 600-215-2 | 07096 | BURKE INDUSTRIES PUROSIL DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 700-018-2 | 50744 | KIRKHILL, INC. DBA TA AEROSPACE CO DIV KIRKHILL INC, SFS DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 713229-2 | 70628 | ARROWHEAD PRODUCTS CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| C7888-2 | 0JWH9 | AERO SPACE COMPOSITES LLC DBA AEROSPACE COMPOSITES | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| C7888-2 | 81755 | LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-17 | [SPE4A726D5248/SPE4A726F058E](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1660010500016) | COVER INSULATING, COUPLING | AERO SPACE COMPOSITES LLC DBA AEROSPACE COMPOSITES | $12,785.40 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=1660010500016&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1660010500016
- 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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