The Brush,electrical Contact, cataloged under National Stock Number 5977-00-985-3603, 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 Carbone of America Corporation Div Superior Carbon Products Division. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5977-00-985-3603 |
| Primary Part Number | SK3864 REV A |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Carbone of America Corporation Div Superior Carbon Products Division |
| Status | ACTIVE |
| Length | 0.420 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN |
| Terminal Diameter | 0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Body Style | RECTANGULAR COMMUTATOR |
| Top Style | CYLINDRICAL HEAD |
| Shunt Position Designator | 5 |
| Style Designator | ONE PIECE |
| Material Document and Classification | SUPERIOR CARBON PRODUCTS GRADE SG45 MFR REF SINGLE MATERIAL RESPONSE |
| Spring Free Length | 1.250 INCHES MINIMUM AND 1.350 INCHES MAXIMUM IN |
| Pressure Spring Type and Quantity | 1 CYLINDRICAL |
| Head Length | 0.900 INCHES NOMINAL IN |
| Brush Shunt Length | 1.250 INCHES MINIMUM AND 1.350 INCHES MAXIMUM SINGLE SHUNT IN |
| Contact Face Style | CONCAVE |
| Shunt Insulation Provision and Quantity | 1 INSULATED |
| Width | 0.182 INCHES MINIMUM AND 0.184 INCHES MAXIMUM IN |
| Material | SILVER GRAPHITE |
| Terminal Type and Quantity | 1 ROUND CAP |
| Thickness | 0.182 INCHES MINIMUM AND 0.184 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 |
| Part Number | Manufacturer |
|---|---|
| SK3864 REV A PRIMARY | Carbone of America Corporation Div Superior Carbon Products Division (USA) |
| 5110-153 PRIMARY | Airflo Instrument Company, the Dba Airflo Instrument Co (USA) |
| Reference | Meaning |
|---|---|
| SK3864 | 5/9 Secondary reference Carbone of America Corporation Div Superior Carbon Products Division |
NSN 5977-00-985-3603 is a Brush,electrical Contact, manufactured by Carbone of America Corporation Div Superior Carbon Products Division, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-985-3603 has 2 manufacturer part numbers on file: SK3864 REV A (Carbone of America Corporation Div Superior Carbon Products Division), 5110-153 (Airflo Instrument Company, the Dba Airflo Instrument Co).
Key specifications for SK3864 REV A: Length: 0.420 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN; Terminal Diameter: 0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Body Style: RECTANGULAR COMMUTATOR; Top Style: CYLINDRICAL HEAD. 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.