The Brush,electrical Contact, cataloged under National Stock Number 5977-00-591-4257, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. The manufacturer of record is General Electric Co Armament and Electrical Systems Dept Electrical Systems Products Dept. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-591-4257 |
| Primary Part Number | 961A802-001 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | General Electric Co Armament and Electrical Systems Dept Electrical Systems Products Dept |
| Status | ACTIVE |
| Length | 1.875 INCHES NOMINAL IN |
| Body Style | RECTANGULAR COMMUTATOR |
| Terminal Slot Width | 0.198 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN |
| Top Style | BEVELED FRONT |
| Shunt Position Designator | 3 |
| Style Designator | ONE PIECE |
| Angle | 30.0 DEGREES NOMINAL |
| Brush Shunt Length | 2.990 INCHES MINIMUM AND 3.010 INCHES MAXIMUM SINGLE SHUNT IN |
| Contact Face Style | BEVELED |
| Shunt Insulation Provision and Quantity | 1 INSULATED |
| Width | 1.250 INCHES NOMINAL IN |
| Bevel Angle | 20.0 DEGREES NOMINAL |
| Material | CARBON |
| Terminal Type and Quantity | 1 ROUND CAP W/EARS AND 1 STRAIGHT W/SLOT |
| Thickness | 0.250 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 961A802-001 PRIMARY | General Electric Co Armament and Electrical Systems Dept Electrical Systems Products Dept (USA) |
| Reference | Meaning |
|---|---|
| 961A802 | 3/1 Design control — primary reference General Electric Co Armament and Electrical Systems Dept Electrical Systems Products Dept |
NSN 5977-00-591-4257 is a Brush,electrical Contact, manufactured by General Electric Co Armament and Electrical Systems Dept Electrical Systems Products Dept, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-591-4257 has 1 manufacturer part number on file: 961A802-001 (General Electric Co Armament and Electrical Systems Dept Electrical Systems Products Dept).
Key specifications for 961A802-001: Length: 1.875 INCHES NOMINAL IN; Body Style: RECTANGULAR COMMUTATOR; Terminal Slot Width: 0.198 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN; Top Style: BEVELED FRONT. 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.