The Brush,electrical Contact, cataloged under National Stock Number 5977-00-442-3493, 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 Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-442-3493 |
| Primary Part Number | 844963 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| Length | 0.623 INCHES MINIMUM AND 0.633 INCHES MAXIMUM IN |
| Largest Outside Diameter | 0.234 INCHES NOMINAL IN |
| Body Style | RECTANGULAR COMMUTATOR |
| Terminal Slot Width | 0.210 INCHES NOMINAL IN |
| Shunt Position Designator | 5 |
| Style Designator | ONE PIECE |
| Spring Free Length | 0.986 INCHES NOMINAL IN |
| Pressure Spring Type and Quantity | 1 CYLINDRICAL WITH REDUCED END |
| Brush Shunt Length | 0.910 INCHES NOMINAL SINGLE SHUNT IN |
| Contact Face Style | CONCAVE |
| Shunt Insulation Provision and Quantity | 1 UNINSULATED |
| Width | 0.368 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN |
| Material | CARBON |
| Terminal Type and Quantity | 1 YOKE W/SLOT |
| Thickness | 0.241 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 844963 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
NSN 5977-00-442-3493 is a Brush,electrical Contact, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-442-3493 has 1 manufacturer part number on file: 844963 (Eaton Aerospace, Llc Dba Jackson South).
Key specifications for 844963: Length: 0.623 INCHES MINIMUM AND 0.633 INCHES MAXIMUM IN; Largest Outside Diameter: 0.234 INCHES NOMINAL IN; Body Style: RECTANGULAR COMMUTATOR; Terminal Slot Width: 0.210 INCHES NOMINAL IN. 15 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.