The Brush,electrical Contact, cataloged under National Stock Number 5977-00-386-0898, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-386-0898 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Status | ACTIVE |
| Length | 0.750 INCHES NOMINAL IN |
| Body Style | RECTANGULAR COMMUTATOR |
| Radius | 1.375 INCHES NOMINAL IN |
| Terminal Hole Diameter | 0.156 INCHES NOMINAL IN |
| Top Style | FLAT |
| Shunt Position Designator | 2 AND 8 |
| Style Designator | ONE PIECE |
| Material Document and Classification | MORGANITE INC GR EG3D MFR REF SINGLE MATERIAL RESPONSE |
| Brush Shunt Length | 1.750 INCHES NOMINAL ALL SHUNTS IN |
| Contact Face Style | CONCAVE |
| Shunt Insulation Provision and Quantity | 2 UNINSULATED |
| Width | 0.995 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN |
| Material | ELECTROGRAPHITIC |
| Terminal Type and Quantity | 1 STRAIGHT W/HOLE |
| Thickness | 0.370 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 |
|---|---|
| G010035989 | 5/9 Secondary reference Prestolite Electric Inc |
| MB-19732-D | 5/9 Secondary reference Morganite Inc |
| 35989 | 5/9 Secondary reference Prestolite Electric Inc |
| 35989 | 5/9 Secondary reference Prestolite Electric Inc |
| NEMA CB 1-1970 | 5/9 Secondary reference U.S. Government activity |
| 01-19732 | 3/9 Design control — primary reference Morganite Inc |
NSN 5977-00-386-0898 is a Brush,electrical Contact, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5977-00-825-1781. Verify interchangeability with system specifications before substitution.
Key specifications for 5977-00-386-0898: Length: 0.750 INCHES NOMINAL IN; Body Style: RECTANGULAR COMMUTATOR; Radius: 1.375 INCHES NOMINAL IN; Terminal Hole Diameter: 0.156 INCHES NOMINAL IN. 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.