The Brush,electrical Contact, cataloged under National Stock Number 5977-00-649-6571, 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 19 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5977-00-649-6571 |
| Primary Part Number | 8790304AFP20 |
| 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 | 2.250 INCHES NOMINAL IN |
| Body Style | RECTANGULAR COMMUTATOR |
| Extension Length | 0.358 INCHES NOMINAL IN |
| Terminal Slot Width | 0.281 INCHES NOMINAL IN |
| Top Style | BEVELED FRONT |
| Shunt Position Designator | 2 AND 8 |
| Criticality Code Justification | MATT AND MDCL |
| Clip Type | NEMA HAMMER TYPE EXTENDED A |
| Style Designator | ONE PIECE |
| Material Document and Classification | GE CO,GRADE 581 MFR REF SINGLE MATERIAL RESPONSE |
| Angle | 35.0 DEGREES NOMINAL |
| Brush Shunt Length | 4.000 INCHES NOMINAL SINGLE SHUNT IN |
| Contact Face Style | BEVELED |
| Shunt Insulation Provision and Quantity | 2 UNINSULATED |
| Width | 1.500 INCHES NOMINAL IN |
| Bevel Angle | 20.0 DEGREES NOMINAL |
| Material | ELECTROGRAPHITIC |
| Terminal Type and Quantity | 1 STRAIGHT W/SLOT |
| Thickness | 0.500 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 | C |
| Part Number | Manufacturer |
|---|---|
| 8790304P20 | General Electric Co Armament and Electrical Systems Dept Electrical Systems Products Dept (USA) |
| 8790304AFP20 PRIMARY | General Electric Co Armament and Electrical Systems Dept Electrical Systems Products Dept (USA) |
| Reference | Meaning |
|---|---|
| 8790304PC20 | 5/9 Secondary reference General Electric Co Outdoor Breaker Business Section |
NSN 5977-00-649-6571 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 5977-00-649-6571 has 2 manufacturer part numbers on file: 8790304P20 (General Electric Co Armament and Electrical Systems Dept Electrical Systems Products Dept), 8790304AFP20 (General Electric Co Armament and Electrical Systems Dept Electrical Systems Products Dept).
Key specifications for 8790304AFP20: Length: 2.250 INCHES NOMINAL IN; Body Style: RECTANGULAR COMMUTATOR; Extension Length: 0.358 INCHES NOMINAL IN; Terminal Slot Width: 0.281 INCHES NOMINAL IN. 19 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.