The Brush,electrical Contact, cataloged under National Stock Number 5977-00-678-1680, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-678-1680 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Status | ACTIVE |
| Length | 0.725 INCHES NOMINAL IN |
| Terminal Diameter | 0.391 INCHES NOMINAL IN |
| Largest Outside Diameter | 0.226 INCHES NOMINAL IN |
| Body Style | RECTANGULAR COMMUTATOR |
| Shunt Position Designator | 5 |
| Style Designator | ONE PIECE |
| Pressure Spring Type and Quantity | 1 CYLINDRICAL WITH REDUCED END |
| Contact Face Style | CONCAVE |
| Shunt Insulation Provision and Quantity | 1 UNINSULATED |
| Width | 0.250 INCHES NOMINAL IN |
| Material | CARBON |
| 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 |
| Reference | Meaning |
|---|---|
| 5863334AKG2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5977-00-678-1680 is a Brush,electrical Contact, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
Key specifications for 5977-00-678-1680: Length: 0.725 INCHES NOMINAL IN; Terminal Diameter: 0.391 INCHES NOMINAL IN; Largest Outside Diameter: 0.226 INCHES NOMINAL IN; Body Style: RECTANGULAR COMMUTATOR. 13 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.