The Brush,electrical Contact, cataloged under National Stock Number 5977-00-669-9023, 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 Westinghouse Electric Corp. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-669-9023 |
| Primary Part Number | S58658GP1 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Length | 0.750 INCHES NOMINAL IN |
| Body Style | RECTANGULAR SLIP RING |
| Top Style | FLAT |
| Style Designator | ONE PIECE |
| Brush Shunt Length | 2.875 INCHES NOMINAL SINGLE SHUNT IN |
| Contact Face Style | FLAT |
| Width | 0.375 INCHES NOMINAL IN |
| Material | CARBON |
| Terminal Type and Quantity | 1 STRAIGHT W/SLOT |
| Thickness | 0.250 INCHES NOMINAL IN |
| 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 |
|---|---|
| S58658GP1 PRIMARY | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 31970 | 5/9 Secondary reference U.S. Government activity |
NSN 5977-00-669-9023 is a Brush,electrical Contact, manufactured by Westinghouse Electric Corp, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-669-9023 has 1 manufacturer part number on file: S58658GP1 (Westinghouse Electric Corp).
2 possible matches (shared part number, not a government interchangeability claim): 5950-00-723-2049, 5365-01-733-1093. Verify interchangeability with system specifications before substitution.
Key specifications for S58658GP1: Length: 0.750 INCHES NOMINAL IN; Body Style: RECTANGULAR SLIP RING; Top Style: FLAT; Style Designator: ONE PIECE. 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.