The Support,bearing,aircraft Gas Tur, cataloged under National Stock Number 2840-01-308-4463, 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 5 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 | 2840-01-308-4463 |
| Primary Part Number | 4075136 |
| Item Name | Support,bearing,aircraft Gas Tur |
| 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 |
| Mounting Hole Quantity | 33 |
| Mounting Hole Diameter | 0.216 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN |
| Outside Diameter | 13.720 INCHES MINIMUM AND 13.730 INCHES MAXIMUM IN |
| Inside Diameter | 8.8583 INCHES MINIMUM AND 8.8592 INCHES MAXIMUM IN |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 4075136 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 2840-01-308-4463 is a Support,bearing,aircraft Gas Tur, 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 2840-01-308-4463 has 1 manufacturer part number on file: 4075136 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
1 possible match (shared part number, not a government interchangeability claim): 5342-01-656-3004. Verify interchangeability with system specifications before substitution.
Key specifications for 4075136: Mounting Hole Quantity: 33; Mounting Hole Diameter: 0.216 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN; Overall Length: 6.160 INCHES NOMINAL IN; Outside Diameter: 13.720 INCHES MINIMUM AND 13.730 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 2840-01-308-4463 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.