The Holder,electrical Contact Brush, cataloged under National Stock Number 5977-00-284-8353, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lake Shore Systems, Inc.. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5977-00-284-8353 |
| Primary Part Number | 612129PC24 |
| Item Name | Holder,electrical Contact Brush |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Brush Spring Adjustability | ADJUSTABLE |
| Mounting Facility Quantity | 1 |
| Terminal Quantity | 4 |
| Inside Width | 0.500 INCHES NOMINAL IN |
| Terminal Type | SCREW |
| Inside Length | 0.750 INCHES NOMINAL IN |
| Style Designator | WING |
| Brush Quantity Accommodated Per Holder | 2 |
| Brush Pressure Spring Type Accommodated | HELICAL TORSION |
| Mounting Facility | UNTHREADED HOLES |
| Inside Thickness | 0.750 INCHES NOMINAL IN |
| Material | COPPER ALLOY BOX |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 612129PC24 | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| X100028PC113 | 5/9 Secondary reference Stone Safety Corp |
| 280056 | 3/9 Design control — primary reference Stone Safety Corp |
| X100029PC113 | 5/9 Secondary reference Stone Safety Corp |
| T102654PCALL | 5/9 Secondary reference Stone Safety Corp |
NSN 5977-00-284-8353 is a Holder,electrical Contact Brush, manufactured by Lake Shore Systems, Inc., classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-284-8353 has 1 manufacturer part number on file: 612129PC24 (Lake Shore Systems, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5120-00-522-3229. Verify interchangeability with system specifications before substitution.
Key specifications for 612129PC24: Brush Spring Adjustability: ADJUSTABLE; Mounting Facility Quantity: 1; Terminal Quantity: 4; Inside Width: 0.500 INCHES NOMINAL IN. 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.