The Holder,electrical Contact Brush, cataloged under National Stock Number 5977-00-296-2778, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-296-2778 |
| Item Name | Holder,electrical Contact Brush |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Status | ACTIVE |
| Mounting Facility Quantity | 1 |
| Terminal Quantity | 1 |
| Inside Width | 0.187 INCHES NOMINAL IN |
| Terminal Type | SOLDER LUG |
| Inside Length | 0.875 INCHES NOMINAL IN |
| Overall Diameter | 1.248 INCHES NOMINAL IN |
| Top Thread Location | EXTERNAL |
| Thread Length | 0.469 INCHES NOMINAL IN |
| Mounting Facility | PRESS FIT |
| Inside Thickness | 0.187 INCHES NOMINAL IN |
| Material | PLASTIC BOX |
| Thread Size and Series/type Designator | 0.312-32 UNEF |
| 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 |
|---|---|
| B462744REV3PT2 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
| B462744REV3PT2 | 3/9 Design control — primary reference Rca Corp Distribution and Special Products |
NSN 5977-00-296-2778 is a Holder,electrical Contact Brush, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
Key specifications for 5977-00-296-2778: Mounting Facility Quantity: 1; Terminal Quantity: 1; Inside Width: 0.187 INCHES NOMINAL IN; Terminal Type: SOLDER LUG. 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.