The Brush,electrical Contact, cataloged under National Stock Number 5977-00-673-5528, 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17 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-673-5528 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Status | ACTIVE |
| Length | 1.969 INCHES MINIMUM AND 2.031 INCHES MAXIMUM IN |
| Body Style | RECTANGULAR COMMUTATOR |
| Radius | 4.719 INCHES MINIMUM AND 4.812 INCHES MAXIMUM IN |
| Terminal Slot Width | 0.219 INCHES NOMINAL IN |
| Top Style | BEVELED FRONT |
| Shunt Position Designator | 8 |
| Style Designator | ONE PIECE |
| Material Document and Classification | MORGANITE GRADE EG778A MFR REF SINGLE MATERIAL RESPONSE |
| Angle | 30.0 DEGREES NOMINAL |
| Brush Shunt Length | 3.125 INCHES MINIMUM AND 3.375 INCHES MAXIMUM SINGLE SHUNT IN |
| Contact Face Style | CONCAVE ON BEVEL |
| Shunt Insulation Provision and Quantity | 1 INSULATED |
| Width | 0.978 INCHES MINIMUM AND 0.993 INCHES MAXIMUM IN |
| Bevel Angle | 30.0 DEGREES NOMINAL |
| Material | CARBON |
| Terminal Type and Quantity | 1 STRAIGHT W/SLOT |
| Thickness | 0.614 INCHES MINIMUM AND 0.618 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 |
|---|---|
| 01-16542 | 3/9 Design control — primary reference Morganite Inc |
| 5308995 | 5/9 Secondary reference General Motors Corp Delco Products Div Machine Control Systems |
| MB-16542B | 5/9 Secondary reference Morganite Inc |
NSN 5977-00-673-5528 is a Brush,electrical Contact, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
Key specifications for 5977-00-673-5528: Length: 1.969 INCHES MINIMUM AND 2.031 INCHES MAXIMUM IN; Body Style: RECTANGULAR COMMUTATOR; Radius: 4.719 INCHES MINIMUM AND 4.812 INCHES MAXIMUM IN; Terminal Slot Width: 0.219 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.