The Brush,electrical Contact, cataloged under National Stock Number 5977-00-425-1406, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-425-1406 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Status | ACTIVE |
| Length | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN |
| Terminal Diameter | 0.302 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN |
| Largest Outside Diameter | 0.290 INCHES NOMINAL IN |
| Body Style | RECTANGULAR COMMUTATOR |
| Shunt Position Designator | 5 |
| Style Designator | ONE PIECE |
| Material Document and Classification | NATIONAL GRADE -788 MFR REF SINGLE MATERIAL RESPONSE |
| Spring Free Length | 3.000 INCHES NOMINAL IN |
| Pressure Spring Type and Quantity | 1 CYLINDRICAL |
| Brush Shunt Length | 1.282 INCHES MINIMUM AND 1.352 INCHES MAXIMUM SINGLE SHUNT IN |
| Contact Face Style | FLAT |
| Shunt Insulation Provision and Quantity | 1 UNINSULATED |
| Width | 0.368 INCHES MINIMUM AND 0.372 INCHES MAXIMUM IN |
| Material | METAL GRAPHITE |
| Terminal Type and Quantity | 1 ROUND CAP |
| Thickness | 0.243 INCHES MINIMUM AND 0.247 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 |
| Reference | Meaning |
|---|---|
| 2618531PC2REVB | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 955A489P01 | 3/9 Design control — primary reference National Electrical Carbon Products, Inc. Div Electrical |
| 955A489P1 | 5/9 Secondary reference National Electrical Carbon Products Inc East Stroudsburg-Pa |
| 2618531P1 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 5977-00-425-1406 is a Brush,electrical Contact, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
Key specifications for 5977-00-425-1406: Length: 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN; Terminal Diameter: 0.302 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN; Largest Outside Diameter: 0.290 INCHES NOMINAL IN; Body Style: RECTANGULAR COMMUTATOR. 16 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.