The Seal Assy,nozzle, cataloged under National Stock Number 2840-00-435-8255, 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 Metro Machine Works Inc. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Seal Assy,nozzle |
| FSC / FSG | 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components (FSG 28) |
| Manufacturers | Metro Machine Works Inc (CAGE 50554); General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp (CAGE 03350) |
| Parameter | Value |
|---|---|
| NSN | 2840-00-435-8255 |
| Primary Part Number | 3900T98G01 |
| Item Name | Seal Assy,nozzle |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Metro Machine Works Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 3900T98G01 | Metro Machine Works Inc (USA) |
| 3900T98G01 | General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp (USA) |
| Reference | Meaning |
|---|---|
| 3900T98G01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2840-00-435-8255 is a Seal Assy,nozzle, manufactured by Metro Machine Works Inc, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-00-435-8255 has 2 manufacturer part numbers on file: 3900T98G01 (Metro Machine Works Inc), 3900T98G01 (General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp).
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.