The Ring Assembly, cataloged under National Stock Number 2825-00-678-1901, is classified within Federal Supply Class 2825 (Steam Turbines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Becker Brothers Graphite Corp. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Ring Assembly |
| FSC / FSG | 2825 — Steam Turbines and Components (FSG 28) |
| Manufacturers | Becker Brothers Graphite Corp (CAGE 70894); Westinghouse Electric Corp (CAGE 79500) |
| Parameter | Value |
|---|---|
| NSN | 2825-00-678-1901 |
| Primary Part Number | 905J167-6 |
| Item Name | Ring Assembly |
| FSC / FSG | 2825 / 28 — Steam Turbines and Components |
| Manufacturer | Becker Brothers Graphite Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 905J167-6 | Becker Brothers Graphite Corp (USA) |
| 905J167-6 | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 905J167 | D/9 Drawing number reference only U.S. Government activity |
| 905J167-6 | 5/9 Secondary reference Calabrese & Sons, Inc. |
| 905J167-6 | 3/2 Design control — primary reference U.S. Government activity |
| 905J167PC6 | 5/9 Secondary reference Westinghouse Electric Corp |
| 905J167PC6 | 5/2 Secondary reference U.S. Government activity |
| 3314785 | D/9 Drawing number reference only U.S. Government activity |
| 905J167-6 | 5/9 Secondary reference U.S. Government activity |
NSN 2825-00-678-1901 is a Ring Assembly, manufactured by Becker Brothers Graphite Corp, classified under FSC 2825, Steam Turbines and Components. Status: active.
NSN 2825-00-678-1901 has 2 manufacturer part numbers on file: 905J167-6 (Becker Brothers Graphite Corp), 905J167-6 (Westinghouse Electric Corp).
1 possible match (shared part number, not a government interchangeability claim): 2825-01-164-7864. 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.
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.