# NSN 2840-00-439-7179: Key, Torquemeter Cen

NSN 2840-00-439-7179 (also written 2840004397179; NIIN 00-439-7179) is a key, torquemeter cen in Federal Supply Class 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. 4 manufacturer part numbers from 4 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 2840-00-439-7179 (2840004397179)
- NIIN: 00-439-7179 (004397179)
- Item name: KEY,TORQUEMETER CEN
- Federal Supply Class: [FSC 2840 Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components](https://nsnexplorer.com/fsc/2840/)
- Federal Supply Group: [FSG 28](https://nsnexplorer.com/group/28/)
- Acquisition method suffix code: AMSC C: needs engineering source approval; other sources must qualify first. (observed 2026-10-27)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| CRTL | CRITICALITY CODE JUSTIFICATION | AGAV |
| AGAV | END ITEM IDENTIFICATION | T-56 AIRCRAFT ENGINE |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 6824477 | 24617 | GENERAL MOTORS CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6824477 | 27052 | WORLD MFG INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6824477 | 63005 | ROLLS-ROYCE CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6824477 | 73342 | ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-02 | [SPE4A526P7066](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2840004397179) | KEY, TORQUEMETER CEN | BROWN HELICOPTER, INC. DBA BROWN HELICOPTER INC | $1,938.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=2840004397179&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2840004397179
- 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/2840-00-439-7179/
JSON: https://nsnexplorer.com/api/nsn/2840-00-439-7179.json