The Support,seal,aircraft Gas Turbin, cataloged under National Stock Number 2840-01-308-3678, 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 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2840-01-308-3678 |
| Primary Part Number | 4067915 |
| Item Name | Support,seal,aircraft Gas Turbin |
| 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 | 35 |
| Criticality Code Justification | AGAV |
| Mounting Hole Diameter | 0.216 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN |
| Outside Diameter | 11.010 INCHES MINIMUM AND 11.020 INCHES MAXIMUM IN |
| Inside Diameter | 7.044 INCHES MINIMUM AND 7.046 INCHES MAXIMUM IN |
| Material | STEEL |
| 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 |
|---|---|
| 4067915 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 2840PL1849810 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 2840-01-308-3678 is a Support,seal,aircraft Gas Turbin, 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 2840-01-308-3678 has 1 manufacturer part number on file: 4067915 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
1 possible match (shared part number, not a government interchangeability claim): 6150-01-618-3599. Verify interchangeability with system specifications before substitution.
Key specifications for 4067915: Mounting Hole Quantity: 35; Criticality Code Justification: AGAV; Mounting Hole Diameter: 0.216 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN; Overall Length: 3.243 INCHES NOMINAL IN. 6 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 2840-01-308-3678 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.