The Brush,electrical Contact, cataloged under National Stock Number 5977-00-479-3328, 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 Miller Electric Mfg. Llc. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-479-3328 |
| Primary Part Number | 018640 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Miller Electric Mfg. Llc |
| Status | ACTIVE |
| Length | 0.500 INCHES NOMINAL IN |
| Terminal Diameter | 0.344 INCHES NOMINAL IN |
| Largest Outside Diameter | 0.224 INCHES NOMINAL IN |
| Body Style | RECTANGULAR |
| Shunt Position Designator | 5 |
| Style Designator | ONE PIECE |
| Material Document and Classification | HELWIG CARBON GRADE 671 MFR REF SINGLE MATERIAL RESPONSE |
| Spring Free Length | 1.125 INCHES NOMINAL IN |
| Pressure Spring Type and Quantity | 1 CYLINDRICAL |
| Contact Face Style | FLAT |
| Shunt Insulation Provision and Quantity | 1 UNINSULATED |
| Width | 0.250 INCHES NOMINAL IN |
| Material | METAL GRAPHITE |
| Terminal Type and Quantity | 1 ROUND CAP |
| 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 |
|---|---|
| 67252550032-5-01 | Helwig Carbon Products Inc (USA) |
| 018640 PRIMARY | Miller Electric Mfg. Llc (USA) |
| Reference | Meaning |
|---|---|
| 018640 | 3/9 Design control — primary reference Miller Electric Mfg. Co. |
NSN 5977-00-479-3328 is a Brush,electrical Contact, manufactured by Miller Electric Mfg. Llc, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-479-3328 has 2 manufacturer part numbers on file: 67252550032-5-01 (Helwig Carbon Products Inc), 018640 (Miller Electric Mfg. Llc).
Key specifications for 018640: Length: 0.500 INCHES NOMINAL IN; Terminal Diameter: 0.344 INCHES NOMINAL IN; Largest Outside Diameter: 0.224 INCHES NOMINAL IN; Body Style: RECTANGULAR. 15 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.