The Brush Block and Har, cataloged under National Stock Number 2840-01-497-8313, 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 Rolls Royce Corp. The record lists 4 manufacturer part numbers 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.
| Item Name | Brush Block and Har |
| FSC / FSG | 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components (FSG 28) |
| Manufacturers | Rolls Royce Corp (CAGE 1E0F1) |
| Parameter | Value |
|---|---|
| NSN | 2840-01-497-8313 |
| Primary Part Number | 697057233 |
| Item Name | Brush Block and Har |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Rolls Royce Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | V |
NSN 2840-01-497-8313 is a Brush Block and Har, manufactured by Rolls Royce Corp, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-01-497-8313 has 4 manufacturer part numbers on file: 697057225 (Rolls Royce Corp), 697057232 (Rolls Royce Corp), 697057233 (Rolls Royce Corp), 697057217 (Rolls Royce Corp).
1 possible match (shared part number, not a government interchangeability claim): 2840-01-504-0752. Verify interchangeability with system specifications before substitution.
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 2840-01-497-8313 has DEMIL Code D. 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.