The Brush,electrical Contact, cataloged under National Stock Number 5977-00-357-7987, 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 Raytheon Company Dba Raytheon Co. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5977-00-357-7987 |
| Primary Part Number | 2048-1028P3 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Length | 0.825 INCHES MINIMUM AND 0.835 INCHES MAXIMUM IN |
| Terminal Diameter | 0.312 INCHES NOMINAL IN |
| Largest Outside Diameter | 0.185 INCHES NOMINAL IN |
| Radius | 1.4758 INCHES MINIMUM AND 1.4761 INCHES MAXIMUM IN |
| Top Style | CYLINDRICAL HEAD |
| Shunt Position Designator | 5 |
| Style Designator | ONE PIECE |
| Spring Free Length | 1.312 INCHES NOMINAL IN |
| Pressure Spring Type and Quantity | 1 CYLINDRICAL |
| Head Length | 0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN |
| Brush Shunt Length | 1.000 INCHES NOMINAL SINGLE SHUNT IN |
| Contact Face Style | CONCAVE |
| Shunt Insulation Provision and Quantity | 1 UNINSULATED |
| Width | 0.184 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN |
| Material | SILVER GRAPHITE |
| Terminal Type and Quantity | 1 ROUND CAP |
| Thickness | 0.184 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN |
| Head Diameter | 0.146 INCHES MINIMUM AND 0.150 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 |
|---|---|
| 2048-1028P3 | Raytheon Company (USA) |
| 2048-1028P3 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 2048-1028P3 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 5977-00-357-7987 is a Brush,electrical Contact, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-357-7987 has 2 manufacturer part numbers on file: 2048-1028P3 (Raytheon Company), 2048-1028P3 (Raytheon Company Dba Raytheon Co).
Key specifications for 2048-1028P3: Length: 0.825 INCHES MINIMUM AND 0.835 INCHES MAXIMUM IN; Terminal Diameter: 0.312 INCHES NOMINAL IN; Largest Outside Diameter: 0.185 INCHES NOMINAL IN; Radius: 1.4758 INCHES MINIMUM AND 1.4761 INCHES MAXIMUM IN. 18 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.