The Holder,electrical Contact Brush, cataloged under National Stock Number 5977-00-295-8541, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. The manufacturer of record is General Electric Company. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 19 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 19 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5977-00-295-8541 |
| Primary Part Number | WW5051857ITEM9 |
| Item Name | Holder,electrical Contact Brush |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Brush Spring Adjustability | ADJUSTABLE |
| Mounting Facility Quantity | 2 |
| Inside Width | 1.258 INCHES NOMINAL IN |
| Inside Length | 1.375 INCHES NOMINAL IN |
| Overall Thickness | 1.438 INCHES NOMINAL IN |
| Brush Quantity Accommodated Per Holder | 1 |
| Brush Pressure Spring Type Accommodated | HELICAL COMPRESSION |
| Mounting Facility | THREADED HOLES |
| Inside Thickness | 1.758 INCHES NOMINAL IN |
| Material | COPPER ALLOY BOX |
| 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 |
|---|---|
| WW5051857ITEM9 | General Electric Company (USA) |
| WW5999766PC17 | General Electric Company (USA) |
| 8077592P1 | General Electric Company (USA) |
| WW5051860PC65 | General Electric Company (USA) |
| 8077592G1 | General Electric Company (USA) |
| WW5051860ITEM7 | General Electric Company (USA) |
| WW5999741PC5 | General Electric Company (USA) |
| WW5051857PC65 | General Electric Company (USA) |
| WW6665590PC11 | General Electric Company (USA) |
| 8077592 | General Electric Company (USA) |
| WW8118420-0PC29 | General Electric Company (USA) |
| WW5999013PC5X35 | General Electric Company (USA) |
| WW6665588ITEM4 | General Electric Company (USA) |
| WW8118440-0PC41 | General Electric Company (USA) |
| WW8118440-0ITEM9 | General Electric Company (USA) |
| K8168011PC10 | General Electric Company (USA) |
| 5599090P11 | General Electric Company (USA) |
| W6684421PC7 | General Electric Company (USA) |
| WW8118420-0ITEM5 | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| WW8118440-0PC41 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| 8077592 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| WW5051857PC65 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| WW5051857ITEM9 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| 8077592G1 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| WW5999766PC17 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| WW5051860ITEM7 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| WW8118420-0ITEM5 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| WW8118440-0ITEM9 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| WW5999741PC5 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| 8077592P1 | 3/9 Design control — primary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| WW6665588ITEM4 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| K8168011PC10 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| WW5999013PC5X35 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| W6684421PC7 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| WW5051860PC65 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| 5599090P11 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| WW8118420-0PC29 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| WW6665590PC11 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
NSN 5977-00-295-8541 is a Holder,electrical Contact Brush, manufactured by General Electric Company, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-295-8541 has 19 manufacturer part numbers on file: WW5051857ITEM9 (General Electric Company), WW5999766PC17 (General Electric Company), 8077592P1 (General Electric Company), WW5051860PC65 (General Electric Company), 8077592G1 (General Electric Company) and 14 more.
1 possible match (shared part number, not a government interchangeability claim): 3120-01-446-7439. Verify interchangeability with system specifications before substitution.
Key specifications for WW5051857ITEM9: Brush Spring Adjustability: ADJUSTABLE; Mounting Facility Quantity: 2; Inside Width: 1.258 INCHES NOMINAL IN; Inside Length: 1.375 INCHES NOMINAL IN. 10 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.