The Brush,electrical Contact, cataloged under National Stock Number 5977-01-057-4111, 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19 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-01-057-4111 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Status | ACTIVE |
| Length | 1.375 INCHES NOMINAL IN |
| Body Style | RECTANGULAR COMMUTATOR |
| Top Style | BEVELED FRONT |
| Shunt Position Designator | 7 |
| Clip Type | NEMA HAMMER TYPE ANGULAR A-EXTENDED |
| Style Designator | ONE PIECE |
| Material Document and Classification | NATIONAL CARBON GRADE SA-45 MFR REF SINGLE MATERIAL RESPONSE |
| Clip Length | 0.531 INCHES NOMINAL IN |
| Angle | 30.0 DEGREES NOMINAL |
| Brush Shunt Length | 1.875 INCHES NOMINAL SINGLE SHUNT IN |
| Contact Face Style | BEVELED |
| Shunt Insulation Provision and Quantity | 1 UNINSULATED |
| Clip Bevel Angle in Deg | 30.0 NOMINAL |
| Terminal Bend Angle | 60.0 DEGREES NOMINAL |
| Width | 1.250 INCHES NOMINAL IN |
| Bevel Angle | 15.0 DEGREES NOMINAL |
| Material | ELECTROGRAPHITIC |
| Terminal Type and Quantity | 1 BENT W/SLOT |
| Thickness | 0.375 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 |
|---|---|
| 5003-114 | C/1 Advisory reference — outside the item-of-supply concept Raytheon Company Div Rmd Strategic |
| 133464X01 | 5/9 Secondary reference General Electric Co Armament and Electrical Systems Dept Electrical Systems Products Dept |
| 1334646P01 | 3/9 Design control — primary reference National Electrical Carbon Products, Inc. Div Electrical |
| K1334646P1 | 5/9 Secondary reference General Electric Co Apparatus Group |
NSN 5977-01-057-4111 is a Brush,electrical Contact, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
Key specifications for 5977-01-057-4111: Length: 1.375 INCHES NOMINAL IN; Body Style: RECTANGULAR COMMUTATOR; Top Style: BEVELED FRONT; Shunt Position Designator: 7. 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.