The Brush,electrical Contact, cataloged under National Stock Number 5977-01-030-5080, 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 Hansome Energy Systems Inc. Government technical data includes 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-01-030-5080 |
| Primary Part Number | ESB-011-3 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Hansome Energy Systems Inc |
| Status | ACTIVE |
| Outer Edge to Slot Edge Distance | 0.188 INCHES NOMINAL IN |
| Length | 1.250 INCHES NOMINAL IN |
| Body Style | RECTANGULAR COMMUTATOR |
| Terminal Slot Width | 0.219 INCHES NOMINAL IN |
| Top Style | FLAT WITH U SHAPED SLOT |
| Shunt Position Designator | 2 |
| Style Designator | ONE PIECE |
| Material Document and Classification | NATIONAL GRADE SA 45 MFR REF SINGLE MATERIAL RESPONSE |
| Brush Shunt Length | 1.438 INCHES NOMINAL SINGLE SHUNT IN |
| Contact Face Style | FLAT |
| Shunt Insulation Provision and Quantity | 1 INSULATED |
| Slot Depth | 0.062 INCHES NOMINAL IN |
| Width | 0.750 INCHES NOMINAL IN |
| Material | ELECTROGRAPHITIC |
| Terminal Type and Quantity | 1 STRAIGHT W/SLOT |
| Slot Width | 0.374 INCHES NOMINAL IN |
| Thickness | 0.308 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 |
| Part Number | Manufacturer |
|---|---|
| ESB-011-3 PRIMARY | Hansome Energy Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| D-230-8PIECE109 | 5/9 Secondary reference Hansome Energy Systems Inc |
| HAN 363 | 5/9 Secondary reference Hansome Energy Systems Inc |
NSN 5977-01-030-5080 is a Brush,electrical Contact, manufactured by Hansome Energy Systems Inc, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-01-030-5080 has 1 manufacturer part number on file: ESB-011-3 (Hansome Energy Systems Inc).
Key specifications for ESB-011-3: Outer Edge to Slot Edge Distance: 0.188 INCHES NOMINAL IN; Length: 1.250 INCHES NOMINAL IN; Body Style: RECTANGULAR COMMUTATOR; Terminal Slot Width: 0.219 INCHES NOMINAL IN. 17 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.