The Holder,electrical Contact Brush, cataloged under National Stock Number 5977-00-856-5594, 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 Teco-Westinghouse Motor Company. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5977-00-856-5594 |
| Primary Part Number | 537F538G04 |
| Item Name | Holder,electrical Contact Brush |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Teco-Westinghouse Motor Company |
| 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 |
|---|---|
| 537F538G04 PRIMARY | Teco-Westinghouse Motor Company (USA) |
| 537F538G04 | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 537F538G04 | 5/9 Secondary reference Westinghouse Electric Corp Power Generation-Generator Div |
NSN 5977-00-856-5594 is a Holder,electrical Contact Brush, manufactured by Teco-Westinghouse Motor Company, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-856-5594 has 2 manufacturer part numbers on file: 537F538G04 (Teco-Westinghouse Motor Company), 537F538G04 (Westinghouse Electric Corp).
1 possible match (shared part number, not a government interchangeability claim): 5977-01-500-7280. Verify interchangeability with system specifications before substitution.
Key specifications for 537F538G04: End Item Identification: POSEIDON MATERIAL. 0 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.