The Brush,electrical Contact, cataloged under National Stock Number 5977-00-583-3771, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-583-3771 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Status | ACTIVE |
| Peripheral Speed | 8000 FEET PER MINUTE FT |
| Body Style | RECTANGULAR COMMUTATOR |
| Radius | 4.500 INCHES NOMINAL IN |
| Terminal Hole Diameter | 0.219 INCHES NOMINAL IN |
| Extension Length | 0.264 INCHES NOMINAL IN |
| Top Style | BEVELED FRONT |
| Shunt Position Designator | 8 |
| Clip Type | NEMA HAMMER TYPE EXTENDED A |
| Style Designator | ONE PIECE |
| Material Document and Classification | NATIONAL ELECTRICAL CARBON GRADE SA-45 MFR REF SINGLE MATERIAL RESPONSE |
| Angle | 30.0 DEGREES NOMINAL |
| Brush Shunt Length | 3.000 INCHES NOMINAL SINGLE SHUNT IN |
| Contact Face Style | CONCAVE ON BEVEL |
| Shunt Insulation Provision and Quantity | 1 UNINSULATED |
| Width | 1.250 INCHES NOMINAL IN |
| Bevel Angle | 18.0 DEGREES NOMINAL |
| Material | ELECTROGRAPHITIC |
| Terminal Type and Quantity | 1 STRAIGHT W/HOLE |
| Thickness | 0.313 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 | X |
| Reference | Meaning |
|---|---|
| 955A400P01 | 5/9 Secondary reference National Electrical Carbon Products Inc East Stroudsburg-Pa |
| 955A400P1 | 5/9 Secondary reference General Electric Co Armament and Electrical Systems Dept Electrical Systems Products Dept |
| 61003303 | 3/9 Design control — primary reference National Electrical Carbon Products, Inc. Div Electrical |
| RC10-4008 | 5/9 Secondary reference National Electrical Carbon Products, Inc. Div Electrical |
| RC10-4008 | 5/9 Secondary reference Ucar Carbon Co Inc |
| MILB003743 | 4/1 Identification reference U.S. Government activity |
NSN 5977-00-583-3771 is a Brush,electrical Contact, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
Key specifications for 5977-00-583-3771: Peripheral Speed: 8000 FEET PER MINUTE FT; Body Style: RECTANGULAR COMMUTATOR; Radius: 4.500 INCHES NOMINAL IN; Terminal Hole Diameter: 0.219 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.