The Liner,accessory Gear, cataloged under National Stock Number 2840-00-213-2173, 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 Curtiss-Wright Controls, Inc. Div Actuation Division. Government technical data includes 1 specification, 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 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-00-213-2173 |
| Primary Part Number | 221591 |
| Item Name | Liner,accessory Gear |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Curtiss-Wright Controls, Inc. Div Actuation Division |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 221591 PRIMARY | Curtiss-Wright Controls, Inc. Div Actuation Division (USA) |
NSN 2840-00-213-2173 is a Liner,accessory Gear, manufactured by Curtiss-Wright Controls, Inc. Div Actuation Division, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-00-213-2173 has 1 manufacturer part number on file: 221591 (Curtiss-Wright Controls, Inc. Div Actuation Division).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-373-4214, 4820-01-379-4982. Verify interchangeability with system specifications before substitution.
Key specifications for 221591: Criticality Code Justification: AGAV; End Item Identification: ACFT ENG J65. 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 2840-00-213-2173 has DEMIL Code B. 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.