The Brush,electrical Contact, cataloged under National Stock Number 5977-01-374-3142, 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. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-01-374-3142 |
| Primary Part Number | 20-437510-104-6-01 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Helwig Carbon Products Inc |
| Status | ACTIVE |
| Length | 1.000 INCHES NOMINAL IN |
| Body Style | RECTANGULAR |
| Top Style | FLAT WITH LEFT EDGE BEVELED |
| Style Designator | ONE PIECE |
| Material Document and Classification | HELWIG CARBON GRADE 698 MFR REF SINGLE MATERIAL RESPONSE |
| Contact Face Style | FLAT |
| Width | 0.750 INCHES NOMINAL IN |
| Material | CARBON GRAPHITE |
| Thickness | 0.437 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 |
|---|---|
| 20-437510-104-6-01 PRIMARY | Helwig Carbon Products Inc (USA) |
NSN 5977-01-374-3142 is a Brush,electrical Contact, manufactured by Helwig Carbon Products Inc, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-01-374-3142 has 1 manufacturer part number on file: 20-437510-104-6-01 (Helwig Carbon Products Inc).
Key specifications for 20-437510-104-6-01: Length: 1.000 INCHES NOMINAL IN; Body Style: RECTANGULAR; Top Style: FLAT WITH LEFT EDGE BEVELED; Style Designator: ONE PIECE. 9 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.