The Holder,electrical Contact Brush, cataloged under National Stock Number 5977-00-866-7244, 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 12 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-866-7244 |
| Primary Part Number | 3440R |
| Item Name | Holder,electrical Contact Brush |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Carbone of America Corporation Div Superior Carbon Products Division |
| Status | ACTIVE |
| Brush Spring Adjustability | ADJUSTABLE |
| Mounting Facility Quantity | 1 |
| Terminal Quantity | 3 |
| Inside Width | 0.505 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Terminal Type | SCREW |
| Inside Length | 0.938 INCHES NOMINAL IN |
| Style Designator | WING |
| Brush Quantity Accommodated Per Holder | 2 |
| Brush Pressure Spring Type Accommodated | HELICAL TORSION |
| Mounting Facility | UNTHREADED HOLES |
| Inside Thickness | 0.755 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN |
| Material | COPPER ALLOY BOX |
| 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 |
|---|---|
| 3440R PRIMARY | Carbone of America Corporation Div Superior Carbon Products Division (USA) |
| Reference | Meaning |
|---|---|
| 801984-0GR1 | 5/2 Secondary reference U.S. Government activity |
| 801984-0GR1 | 5/9 Secondary reference U.S. Government activity |
| 801984-0-51 | 5/2 Secondary reference U.S. Government activity |
| 3440R | 5/9 Secondary reference Flower D B Mfg Co |
| 801984-0-51 | 5/9 Secondary reference U.S. Government activity |
NSN 5977-00-866-7244 is a Holder,electrical Contact Brush, manufactured by Carbone of America Corporation Div Superior Carbon Products Division, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-866-7244 has 1 manufacturer part number on file: 3440R (Carbone of America Corporation Div Superior Carbon Products Division).
Key specifications for 3440R: Brush Spring Adjustability: ADJUSTABLE; Mounting Facility Quantity: 1; Terminal Quantity: 3; Inside Width: 0.505 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN. 12 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.