The Synchronizing Ring,compressor,ai, cataloged under National Stock Number 2840-01-100-2258, 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 Union Machine Co of Lynn, Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2840-01-100-2258 |
| Primary Part Number | 5026T23G02 |
| Item Name | Synchronizing Ring,compressor,ai |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Union Machine Co of Lynn, Inc |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Outside Diameter | 17.409 INCHES MINIMUM AND 17.419 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 5026T23G02 | Union Machine Co of Lynn, Inc (USA) |
| Reference | Meaning |
|---|---|
| 5026T23G02 | 5/9 Secondary reference Palmer Manufacturing Co., Llc Dba Pursuit Aerospace |
| 5026T23G02 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2840-01-100-2258 is a Synchronizing Ring,compressor,ai, manufactured by Union Machine Co of Lynn, Inc, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-01-100-2258 has 1 manufacturer part number on file: 5026T23G02 (Union Machine Co of Lynn, Inc).
Key specifications for 5026T23G02: Criticality Code Justification: AGAV; Outside Diameter: 17.409 INCHES MINIMUM AND 17.419 INCHES MAXIMUM IN; End Item Identification: ACFT ENG TF-34. 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 2840-01-100-2258 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.