The Brush,electrical Contact, cataloged under National Stock Number 5977-00-028-4160, 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 Corp Dba Eaton Aerospace Jackson. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5977-00-028-4160 |
| Primary Part Number | TF-28440-1 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Eaton Corp Dba Eaton Aerospace Jackson |
| Status | ACTIVE |
| Length | 0.750 INCHES NOMINAL IN |
| Body Style | RECTANGULAR COMMUTATOR |
| Radius | 0.781 INCHES NOMINAL IN |
| Terminal Slot Width | 0.187 INCHES NOMINAL IN |
| Top Style | FLAT WITH LEFT EDGE BEVELED |
| Shunt Position Designator | 8 |
| Style Designator | ONE PIECE |
| Bevel Depth | 0.125 INCHES NOMINAL IN |
| Material Document and Classification | STACKPOLE CARBON CO GRADE WAB MFR REF SINGLE MATERIAL RESPONSE |
| Brush Shunt Length | 1.438 INCHES NOMINAL ALL SHUNTS IN |
| Contact Face Style | CONCAVE |
| Bevel Length | 0.125 INCHES NOMINAL IN |
| Width | 0.621 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| Material | ELECTROGRAPHITIC |
| Terminal Type and Quantity | 1 STRAIGHT W/SLOT |
| Thickness | 0.246 INCHES MINIMUM AND 0.250 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 |
|---|---|
| TF-28440-1 PRIMARY | Eaton Corp Dba Eaton Aerospace Jackson (USA) |
| Reference | Meaning |
|---|---|
| TF-28440-1 | 5/9 Secondary reference Argo-Tech Corp Navy Power Div |
NSN 5977-00-028-4160 is a Brush,electrical Contact, manufactured by Eaton Corp Dba Eaton Aerospace Jackson, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-028-4160 has 1 manufacturer part number on file: TF-28440-1 (Eaton Corp Dba Eaton Aerospace Jackson).
Key specifications for TF-28440-1: Length: 0.750 INCHES NOMINAL IN; Body Style: RECTANGULAR COMMUTATOR; Radius: 0.781 INCHES NOMINAL IN; Terminal Slot Width: 0.187 INCHES NOMINAL IN. 16 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.