The Carrier Planetary Reduction Gear, cataloged under National Stock Number 2840-01-390-3110, is classified within Federal Supply Class 2840 (Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components) of the Engines, Turbines, and Components group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-01-390-3110 |
| Item Name | Carrier Planetary Reduction Gear |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Status | ACTIVE |
| Material Document and Classification | 6061-T6 MFR REF 1ST MATERIAL RESPONSE OR 6061-T651 MFR REF 2ND MATERIAL RESPONSE OVERALL |
| Diameter | 2.614 INCHES MINIMUM AND 2.617 INCHES MAXIMUM IN |
| Engine Section Location | TURBINE |
| Material | ALUMINUM ALLOY 6061 OVERALL |
| 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 |
| Reference | Meaning |
|---|---|
| 3862806-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2840-01-390-3110 is a Carrier Planetary Reduction Gear, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
Key specifications for 2840-01-390-3110: Material Document and Classification: 6061-T6 MFR REF 1ST MATERIAL RESPONSE OR 6061-T651 MFR REF 2ND MATERIAL RESPONSE OVERALL; Diameter: 2.614 INCHES MINIMUM AND 2.617 INCHES MAXIMUM IN; Overall Length: 0.928 INCHES NOMINAL IN; Engine Section Location: TURBINE. 4 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 2840-01-390-3110 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.