The Brush,electrical Contact, cataloged under National Stock Number 5977-00-333-5791, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5977-00-333-5791 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Status | ACTIVE |
| Length | 1.500 INCHES NOMINAL IN |
| Body Style | RECTANGULAR COMMUTATOR |
| Terminal Slot Width | 0.812 INCHES NOMINAL IN |
| Top Style | FLAT WITH LEFT EDGE BEVELED |
| Shunt Position Designator | 8 |
| Style Designator | ONE PIECE |
| Bevel Depth | 0.188 INCHES NOMINAL IN |
| Material Document and Classification | HELWIG CARBON PRODUCTS INC GRADE HH MFR REF SINGLE MATERIAL RESPONSE |
| Brush Shunt Length | 3.875 INCHES NOMINAL SINGLE SHUNT IN |
| Contact Face Style | FLAT |
| Shunt Insulation Provision and Quantity | 1 INSULATED |
| Bevel Length | 0.500 INCHES NOMINAL IN |
| Width | 0.746 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Material | METAL GRAPHITE |
| Terminal Type and Quantity | 1 STRAIGHT W/SLOT |
| Thickness | 0.371 INCHES MINIMUM AND 0.375 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 |
|---|---|
| A506284 | 3/9 Design control — primary reference Marathon Electric, Llc |
NSN 5977-00-333-5791 is a Brush,electrical Contact, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
Key specifications for 5977-00-333-5791: Length: 1.500 INCHES NOMINAL IN; Body Style: RECTANGULAR COMMUTATOR; Terminal Slot Width: 0.812 INCHES NOMINAL IN; Top Style: FLAT WITH LEFT EDGE BEVELED. 16 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.