The Synchronizing Ring,compressor,ai, cataloged under National Stock Number 2840-01-325-8744, 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 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-01-325-8744 |
| Primary Part Number | 4074229-01 |
| Item Name | Synchronizing Ring,compressor,ai |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 4074229-01 | Soldream Inc (USA) |
| 4086595-01 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 4074229-01 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 4074299-01 | Paradigm Manchester Inc. Dba Pursuit Aerospace (USA) |
| 4074229-01 | Acmt, Inc. (USA) |
| 4074229-01 | MB Aerospace East Granby, Limited Partnership (USA) |
| Reference | Meaning |
|---|---|
| 2840PL1627449 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 2840-01-325-8744 is a Synchronizing Ring,compressor,ai, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-01-325-8744 has 6 manufacturer part numbers on file: 4074229-01 (Soldream Inc), 4086595-01 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4074229-01 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4074299-01 (Paradigm Manchester Inc. Dba Pursuit Aerospace), 4074229-01 (Acmt, Inc.) and 1 more.
1 possible match (shared part number, not a government interchangeability claim): 2840-01-520-3448. Verify interchangeability with system specifications before substitution.
Key specifications for 4074229-01: Criticality Code Justification: AGAV; End Item Identification: ACFT ENG F100PW0229. 1 specification is 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 2840-01-325-8744 has DEMIL Code D. 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.