The Brush,electrical Contact, cataloged under National Stock Number 5977-00-284-9966, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-284-9966 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Status | ACTIVE |
| Outer Edge to Slot Edge Distance | 0.046 INCHES NOMINAL IN |
| Length | 0.313 INCHES NOMINAL IN |
| Peripheral Speed | 4000 FEET PER MINUTE FT |
| Body Style | RECTANGULAR SLIP RING |
| Radius | 0.250 INCHES NOMINAL IN |
| Top Style | FLAT WITH RECTANGULAR SLOT |
| Shunt Position Designator | 4 |
| Style Designator | ONE PIECE |
| Material Document and Classification | NATIONAL CARBON CO,GRADE AY MFR REF SINGLE MATERIAL RESPONSE |
| Brush Shunt Length | 0.625 INCHES NOMINAL SINGLE SHUNT IN |
| Contact Face Style | CONVEX |
| Shunt Insulation Provision and Quantity | 1 INSULATED |
| Slot Depth | 0.031 INCHES NOMINAL IN |
| Width | 0.125 INCHES NOMINAL IN |
| Bevel Angle | 10.0 DEGREES NOMINAL |
| Material | ELECTROGRAPHITIC |
| Slot Width | 0.031 INCHES NOMINAL IN |
| Thickness | 0.156 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 |
|---|---|
| SCD105831-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5977-00-284-9966 is a Brush,electrical Contact, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
Key specifications for 5977-00-284-9966: Outer Edge to Slot Edge Distance: 0.046 INCHES NOMINAL IN; Length: 0.313 INCHES NOMINAL IN; Peripheral Speed: 4000 FEET PER MINUTE FT; Body Style: RECTANGULAR SLIP RING. 18 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.