# NSN 2840-01-120-6399: Shield, Heat, Aircraft Gas Turbine

NSN 2840-01-120-6399 (also written 2840011206399; NIIN 01-120-6399) is a shield, heat, aircraft gas turbine 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. No purchases are on record yet.

## Identification

- NSN: 2840-01-120-6399 (2840011206399)
- NIIN: 01-120-6399 (011206399)
- Item name: SHIELD,HEAT,AIRCRAFT GAS TURBINE
- 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 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABMZ | DIAMETER | INCHES NOMINAL 2.551 |
| ABPX | MATERIAL THICKNESS | INCHES MINIMUM 0.245 AND INCHES MAXIMUM 0.255 |
| AGAV | END ITEM IDENTIFICATION | ACFT ENG F107 |
| CRTL | CRITICALITY CODE JUSTIFICATION | FEAT |
| CZBJ | ENGINE SECTION LOCATION | TURBINE |
| FEAT | SPECIAL FEATURES | 04-050 WILLIAMS MATL.THIS ITEM IS ESSENTIAL TO PRESERVATION OF LIFE OR SAFETY OF OPERATING PERSONNEL OF THE WEAPON SYSTEM, AS IT IS A COMPONENT OF THE ENGINE OIL SEALING AND HEAT DISSIPATION MECHANISM WHICH PREVENTS OIL AND/ORAIL LEAKAGE OR OVERHEATING WHICH COULD RESULT IN CATASTROPHIC FAILURE OF THE ENGINE.ACTION ID 45595342 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 36598 | 24235 | WILLIAMS INTERNATIONAL CO., L.L.C. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 36598 | 82SX4 | BC TECHNICAL CENTER, LLC DBA BC ENGINEERED PRODUCTS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=2840011206399&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2840011206399
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- 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/2840-01-120-6399/
JSON: https://nsnexplorer.com/api/nsn/2840-01-120-6399.json