The Seal,metallic,aircraft Gas Turbi, cataloged under National Stock Number 2840-01-382-3653, 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 General Electric Company. Government technical data includes 7 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 2840-01-382-3653 |
| Primary Part Number | 9512M40P28 |
| Item Name | Seal,metallic,aircraft Gas Turbi |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Design Type | AXIAL COMPRESSOR |
| Criticality Code Justification | ABMZ AND ABHP AND ABPX AND APGF AND CZBJ |
| Material Document and Classification | AMS5536 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 21.480 INCHES MINIMUM AND 21.500 INCHES MAXIMUM IN |
| Engine Section Location | HIGH PRESSURE TURBINE |
| Material Thickness | 0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN |
| Material | CHROMIUM ALLOY AND COBALT ALLOY OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 9512M40P28 PRIMARY | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 9512M40P22 | 5/9 Secondary reference Cfm International Inc Dba Cfm International |
| 9512M40 | D/9 Drawing number reference only General Electric Company |
| 9512M40P28 | 5/9 Secondary reference General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp |
| 9512M40P22 | 5/9 Secondary reference General Electric Company |
NSN 2840-01-382-3653 is a Seal,metallic,aircraft Gas Turbi, manufactured by General Electric Company, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-01-382-3653 has 1 manufacturer part number on file: 9512M40P28 (General Electric Company).
3 possible matches (shared part number, not a government interchangeability claim): 2840-01-493-6827, 2840-01-493-6830, 2840-01-498-8534. Verify interchangeability with system specifications before substitution.
Key specifications for 9512M40P28: Design Type: AXIAL COMPRESSOR; Criticality Code Justification: ABMZ AND ABHP AND ABPX AND APGF AND CZBJ; Material Document and Classification: AMS5536 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Diameter: 21.480 INCHES MINIMUM AND 21.500 INCHES MAXIMUM IN. 7 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.
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.