# NSN 1660-00-631-0649: Valve, Check, Air Conditioning

NSN 1660-00-631-0649 (also written 1660006310649; NIIN 00-631-0649) is a valve, check, air conditioning in Federal Supply Class 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. 4 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 1660-00-631-0649 (1660006310649)
- NIIN: 00-631-0649 (006310649)
- Item name: VALVE,CHECK,AIR CONDITIONING
- 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 R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. (observed 2026-11-02)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ZZZV | FSC APPLICATION DATA | AIRCRAFT HEATING AND AIR CONDITIONING |
| AGAV | END ITEM IDENTIFICATION | KC-135 AIRCRAFT |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 02007000-10 | 0XWR4 | UNITED DYNAMICS, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 1222003-000 | 8K2A7 | COANDA COMPANY LLC, THE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 7000-M99100 | 81833 | AEROCONTROLEX GROUP, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| M991 | 81833 | AEROCONTROLEX GROUP, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-20 | [SPE4A723D0213/SPE4A726F014J](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1660006310649) | VALVE, CHECK, AIR CONDITIONING | UNITED DYNAMICS, INC | $83,893.08 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=1660006310649&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1660006310649
- 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/1660-00-631-0649/
JSON: https://nsnexplorer.com/api/nsn/1660-00-631-0649.json