The Brush,electrical Contact, cataloged under National Stock Number 5977-01-104-4862, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-01-104-4862 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Status | ACTIVE |
| Length | 1.000 INCHES NOMINAL IN |
| Body Style | RECTANGULAR COMMUTATOR |
| Radius | 1.530 INCHES NOMINAL IN |
| Terminal Slot Width | 0.281 INCHES NOMINAL IN |
| Top Style | FLAT |
| Style Designator | PAIRED |
| Material Document and Classification | MORGANITE INC GRADE C-817 MFR REF 1ST MATERIAL RESPONSE AND HELWIG CARBON PRODUCTS INC GRADE 698 MFR REF 2ND MATERIAL RESPONSE |
| Brush Shunt Length | 2.500 INCHES NOMINAL FIRST SHUNT IN |
| Brush Shunt Length | 2.500 INCHES NOMINAL SECOND SHUNT IN |
| Brush Shunt Length | 8.500 INCHES NOMINAL FOURTH SHUNT IN |
| Brush Shunt Length | 8.500 INCHES NOMINAL THIRD SHUNT IN |
| Contact Face Style | CONCAVE |
| Shunt Insulation Provision and Quantity | 4 INSULATED |
| Width | 0.860 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN |
| Material | COPPER GRAPHITE AND METAL GRAPHITE |
| Terminal Type and Quantity | 1 FLAG W/SLOT |
| Thickness | 0.376 INCHES MINIMUM AND 0.380 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 |
|---|---|
| 1356501-16 | 5/9 Secondary reference U.S. Government activity |
| 5194660-08 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5977-01-104-4862 is a Brush,electrical Contact, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
Key specifications for 5977-01-104-4862: Length: 1.000 INCHES NOMINAL IN; Body Style: RECTANGULAR COMMUTATOR; Radius: 1.530 INCHES NOMINAL IN; Terminal Slot Width: 0.281 INCHES NOMINAL IN. 17 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.