The Holder,electrical Contact Brush, cataloged under National Stock Number 5977-00-642-8646, 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 Ward Leonard Ct Llc. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-642-8646 |
| Primary Part Number | 1184D12A |
| Item Name | Holder,electrical Contact Brush |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Ward Leonard Ct Llc |
| Status | ACTIVE |
| Brush Spring Adjustability | NONADJUSTABLE |
| Mounting Facility Quantity | 2 |
| Inside Width | 1.531 INCHES NOMINAL IN |
| Inside Length | 0.812 INCHES NOMINAL IN |
| Overall Thickness | 2.875 INCHES NOMINAL IN |
| Brush Pressure Spring Type Accommodated | HELICAL TORSION |
| Mounting Facility | THREADED HOLES |
| Inside Thickness | 0.250 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 |
|---|---|
| 1184D12A PRIMARY | Ward Leonard Ct Llc (USA) |
| Reference | Meaning |
|---|---|
| 1184D1C | 5/9 Secondary reference Ward Leonard Ct Llc |
NSN 5977-00-642-8646 is a Holder,electrical Contact Brush, manufactured by Ward Leonard Ct Llc, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-642-8646 has 1 manufacturer part number on file: 1184D12A (Ward Leonard Ct Llc).
Key specifications for 1184D12A: Brush Spring Adjustability: NONADJUSTABLE; Mounting Facility Quantity: 2; Inside Width: 1.531 INCHES NOMINAL IN; Inside Length: 0.812 INCHES NOMINAL IN. 9 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.