The Synchronizing Ring,compressor,ai, cataloged under National Stock Number 2840-01-007-4231, 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 5 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-01-007-4231 |
| Item Name | Synchronizing Ring,compressor,ai |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Status | ACTIVE |
| Criticality Code Justification | ABHP AND ABKV AND FEAT |
| Reference Data and Literature | T.O. 2J-J85-94, FIG 7, IND 13 |
| Material Document and Classification | AAMS5513 ASSN STD SINGLE MATERIAL RESPONSE |
| Outside Diameter | 19.120 INCHES MINIMUM AND 19.140 INCHES MAXIMUM IN |
| Material | STEEL CORROSION RESISTING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| 5006T62P05 | 5/9 Secondary reference Boeing Distribution, Inc. |
| 5006T62P05 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2840-01-007-4231 is a Synchronizing Ring,compressor,ai, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
Key specifications for 2840-01-007-4231: Criticality Code Justification: ABHP AND ABKV AND FEAT; Reference Data and Literature: T.O. 2J-J85-94, FIG 7, IND 13; Material Document and Classification: AAMS5513 ASSN STD SINGLE MATERIAL RESPONSE; Overall Length: 0.525 INCHES MINIMUM AND 0.535 INCHES MAXIMUM IN. 5 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 2840-01-007-4231 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.