The Ring Segment,nozzle, cataloged under National Stock Number 2840-01-475-5315, is classified within Federal Supply Class 2840 (Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components) of the Engines, Turbines, and Components group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2840-01-475-5315 |
| Item Name | Ring Segment,nozzle |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Status | ACTIVE |
| Overall Diameter | 19.070 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 2-141-242-02 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2840-01-475-5315 is a Ring Segment,nozzle, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2840-01-534-8164. Verify interchangeability with system specifications before substitution.
Key specifications for 2840-01-475-5315: Overall Diameter: 19.070 INCHES NOMINAL IN; Special Features: 2.500 INCHES THICK;ITEM IS 76 DEGREE 43 MINUTES CURVED SEGMENT IN; Part Name Assigned by Controlling Agency: RING,STIFFENING-4TH TURBINE NOZZLE; End Item Identification: 2840-01-458-5361. 2 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 2840-01-475-5315 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.