The Brush,electrical Contact, cataloged under National Stock Number 5977-00-665-3929, 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 Helwig Carbon Products Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 — Electrical Contact Brushes and Electrodes (FSG 59) |
| Manufacturers | Helwig Carbon Products Inc (CAGE 28118) |
| Parameter | Value |
|---|---|
| NSN | 5977-00-665-3929 |
| Primary Part Number | 15-257512-100-2-04 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Helwig Carbon Products Inc |
| 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 |
|---|---|
| 15-257512-100-2-04 PRIMARY | Helwig Carbon Products Inc (USA) |
| Reference | Meaning |
|---|---|
| 7B7587 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
| S-11826 | 5/9 Secondary reference Louis Allis Co the This Company Has Gone Bankrupt and Has Been Purchased by 3 Companies |
| ANSI/NEMA PUB NO. CB1 | 5/9 Secondary reference U.S. Government activity |
| NEMA PUB CB1 | 3/1 Design control — primary reference National Electrical Mfrs Assn Dba Nema |
NSN 5977-00-665-3929 is a Brush,electrical Contact, manufactured by Helwig Carbon Products Inc, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-665-3929 has 1 manufacturer part number on file: 15-257512-100-2-04 (Helwig Carbon Products Inc).
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.