# NSN 2840-00-941-3657: Tube Assy

NSN 2840-00-941-3657 (also written 2840009413657; NIIN 00-941-3657) is a tube assy in Federal Supply Class 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 2840-00-941-3657 (2840009413657)
- NIIN: 00-941-3657 (009413657)
- Item name: TUBE ASSY
- 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 Q: the government lacks adequate data or rights, but breakout to competition is expected. (observed 2026-11-04)
- Acquisition method code: 3

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 512999 | 11449 | TURBO POWER & MARINE SYSTEM INC SUB OF UNITED TECHNOLOGIES CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 512999 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-14 | [SPE4AC26P0189](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2840009413657) | TUBE ASSY | — | $800.00 |
| 2026-08-14 | [SPE4AC26P0189](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2840009413657) | TUBE ASSY | — | $800.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=2840009413657&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2840009413657
- 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/2840-00-941-3657/
JSON: https://nsnexplorer.com/api/nsn/2840-00-941-3657.json