The Brush,electrical Contact, cataloged under National Stock Number 5977-01-018-2738, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5977-01-018-2738 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Status | ACTIVE |
| Length | 0.580 INCHES NOMINAL IN |
| Body Style | RECTANGULAR COMMUTATOR |
| Radius | 0.578 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN |
| Terminal Hole Diameter | 0.167 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN |
| Top Style | BEVELED FRONT WITH LEFT AND RIGHT EDGE BEVELED |
| Shunt Position Designator | 2 AND 8 |
| Style Designator | ONE PIECE |
| Bevel Depth | 0.188 INCHES NOMINAL IN |
| Material Document and Classification | CARBONE GRADE 486 MFR REF SINGLE MATERIAL RESPONSE |
| Angle | 13.0 DEGREES MINIMUM AND 17.0 DEGREES MAXIMUM |
| Brush Shunt Length | 1.094 INCHES NOMINAL ALL SHUNTS IN |
| Contact Face Style | CONCAVE |
| Shunt Insulation Provision and Quantity | 2 INSULATED |
| Bevel Length | 0.156 INCHES NOMINAL IN |
| Width | 0.685 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN |
| Material | CARBON GRAPHITE |
| Terminal Type and Quantity | 1 TUBULAR W/HOLE |
| Thickness | 0.245 INCHES MINIMUM AND 0.248 INCHES MAXIMUM 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 |
|---|---|
| 55-2083-01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5977-01-018-2738 is a Brush,electrical Contact, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
Key specifications for 5977-01-018-2738: Length: 0.580 INCHES NOMINAL IN; Body Style: RECTANGULAR COMMUTATOR; Radius: 0.578 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN; Terminal Hole Diameter: 0.167 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN. 18 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.