The Support,bearing,aircraft Gas Tur, cataloged under National Stock Number 2840-01-280-4903, 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 Div Pratt & Whitney. Government technical data includes 3 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. 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 | 2840-01-280-4903 |
| Primary Part Number | 408224 |
| Item Name | Support,bearing,aircraft Gas Tur |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Reference Data and Literature | T.O. 2J-TF33-4, FIG 3, IND 17 |
| Outside Diameter | 17.403 INCHES NOMINAL 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 | Y |
| Part Number | Manufacturer |
|---|---|
| 408224 PRIMARY | Rtx Corporation Div Pratt & Whitney (USA) |
NSN 2840-01-280-4903 is a Support,bearing,aircraft Gas Tur, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-01-280-4903 has 1 manufacturer part number on file: 408224 (Rtx Corporation Div Pratt & Whitney).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-335-2855. Verify interchangeability with system specifications before substitution.
Key specifications for 408224: Criticality Code Justification: AGAV; Reference Data and Literature: T.O. 2J-TF33-4, FIG 3, IND 17; Overall Length: 3.350 INCHES NOMINAL IN; Outside Diameter: 17.403 INCHES NOMINAL IN. 3 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 2840-01-280-4903 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.