The Holder,electrical Contact Brush, cataloged under National Stock Number 5977-00-296-2623, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-296-2623 |
| Item Name | Holder,electrical Contact Brush |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Status | ACTIVE |
| Brush Spring Adjustability | ADJUSTABLE |
| Mounting Facility Quantity | 2 |
| Inside Width | 0.625 INCHES NOMINAL IN |
| Inside Length | 1.312 INCHES NOMINAL IN |
| Overall Thickness | 1.188 INCHES NOMINAL IN |
| Brush Quantity Accommodated Per Holder | 1 |
| Brush Pressure Spring Type Accommodated | SPIRAL TORSION |
| Mounting Facility | UNTHREADED HOLES |
| Inside Thickness | 0.375 INCHES NOMINAL IN |
| Material | COPPER ALLOY BOX |
| Material | STEEL BOX SUPPORTING |
| 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 |
|---|---|
| 321167 | 3/9 Design control — primary reference Stone Safety Corp |
NSN 5977-00-296-2623 is a Holder,electrical Contact Brush, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2920-01-183-4592. Verify interchangeability with system specifications before substitution.
Key specifications for 5977-00-296-2623: Brush Spring Adjustability: ADJUSTABLE; Mounting Facility Quantity: 2; Inside Width: 0.625 INCHES NOMINAL IN; Inside Length: 1.312 INCHES NOMINAL IN. 11 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.