The Brush,electrical Contact, cataloged under National Stock Number 5977-00-280-9023, 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 Elliott Company Div Jeannette. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-280-9023 |
| Primary Part Number | RC28-4402 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Elliott Company Div Jeannette |
| Status | ACTIVE |
| Length | 2.250 INCHES NOMINAL IN |
| Peripheral Speed | 7000 FEET PER MINUTE FT |
| Body Style | RECTANGULAR COMMUTATOR |
| Terminal Slot Width | 0.348 INCHES NOMINAL IN |
| Top Style | BEVELED FRONT WITH LEFT AND RIGHT SHOULDER |
| Shunt Position Designator | 10 AND 12 |
| Style Designator | ONE PIECE |
| Material Document and Classification | NATIONAL GRADE SA35 MFR REF SINGLE MATERIAL RESPONSE |
| Angle | 50.0 DEGREES NOMINAL |
| Brush Shunt Length | 5.000 INCHES NOMINAL ALL SHUNTS IN |
| Contact Face Style | BEVELED |
| Shunt Insulation Provision and Quantity | 2 UNINSULATED |
| Width | 1.375 INCHES NOMINAL IN |
| Bevel Angle | 40.0 DEGREES NOMINAL |
| Material | ELECTROGRAPHITIC |
| Terminal Type and Quantity | 1 STRAIGHT W/SLOT |
| Thickness | 0.875 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 |
|---|---|
| RC28-4402 | Elliott Company Div Jeannette (USA) |
| RC28-4402 | Kemet Electronics Corporation (USA) |
| RC28-4402 | Ucar Carbon Co Inc (USA) |
| Reference | Meaning |
|---|---|
| ANSI/NEMA PUB NO. CB1 | 3/9 Design control — primary reference U.S. Government activity |
| RC28-4402 | 5/9 Secondary reference National Electrical Carbon Products, Inc. Div Electrical |
| S1284472N801 | 5/9 Secondary reference National Electrical Carbon Products, Inc. Div Electrical |
NSN 5977-00-280-9023 is a Brush,electrical Contact, manufactured by Elliott Company Div Jeannette, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-280-9023 has 3 manufacturer part numbers on file: RC28-4402 (Elliott Company Div Jeannette), RC28-4402 (Kemet Electronics Corporation), RC28-4402 (Ucar Carbon Co Inc).
Key specifications for RC28-4402: Length: 2.250 INCHES NOMINAL IN; Peripheral Speed: 7000 FEET PER MINUTE FT; Body Style: RECTANGULAR COMMUTATOR; Terminal Slot Width: 0.348 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.