The Synchronizing Ring,compressor,ai, cataloged under National Stock Number 2840-01-381-6031, is classified within Federal Supply Class 2840 (Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is General Electric Company. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-01-381-6031 |
| Primary Part Number | 1318M21G04 |
| Item Name | Synchronizing Ring,compressor,ai |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Stage Number | 1 |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1318M21G04 PRIMARY | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 1318M21G04 | 8/1 NATO reproduction reference Tusas Motor Sanayii A.s. |
| 1318M21G04 | 5/9 Secondary reference General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp |
NSN 2840-01-381-6031 is a Synchronizing Ring,compressor,ai, manufactured by General Electric Company, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-01-381-6031 has 1 manufacturer part number on file: 1318M21G04 (General Electric Company).
Key specifications for 1318M21G04: Stage Number: 1; End Item Identification: F110GE129 AIRCRAFT ENGINE; Material: STEEL. 2 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 2840-01-381-6031 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.