The Brush,electrical Contact, cataloged under National Stock Number 5977-00-239-6478, 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 Westinghouse Electric Corp. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5977-00-239-6478 |
| Primary Part Number | 30J763PC45 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Length | 1.500 INCHES NOMINAL IN |
| Peripheral Speed | 7000 FEET PER MINUTE FT |
| Body Style | RECTANGULAR COMMUTATOR |
| Terminal Slot Width | 0.219 INCHES NOMINAL IN |
| Top Style | FLAT WITH RIGHT EDGE BEVELED |
| Shunt Position Designator | 8 |
| Style Designator | ONE PIECE |
| Material Document and Classification | UNION CARBIDE CORP,GR SA3538 MFR REF SINGLE MATERIAL RESPONSE |
| Brush Shunt Length | 3.000 INCHES NOMINAL SINGLE SHUNT IN |
| Contact Face Style | FLAT |
| Shunt Insulation Provision and Quantity | 1 UNINSULATED |
| Width | 0.750 INCHES NOMINAL IN |
| Material | ELECTROGRAPHITIC |
| Terminal Type and Quantity | 1 STRAIGHT W/SLOT |
| Thickness | 0.375 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 |
|---|---|
| 30J763PC45 PRIMARY | Westinghouse Electric Corp (USA) |
| 1JH606REV2PC51 PRIMARY | Westinghouse Electric Corp (USA) |
| 13J216PC44 PRIMARY | Westinghouse Electric Corp (USA) |
| S1297079 | Westinghouse Electric Corp (USA) |
| S842186 PRIMARY | Westinghouse Electric Corp (USA) |
| 1JH2SUB4PC19B PRIMARY | Westinghouse Electric Corp (USA) |
| 1297079 | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| NEMAPUBCB1-1961 | 5/9 Secondary reference U.S. Government activity |
| S842186 | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
| K1-4105-1183443PC19B | 3/2 Design control — primary reference U.S. Government activity |
NSN 5977-00-239-6478 is a Brush,electrical Contact, manufactured by Westinghouse Electric Corp, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-239-6478 has 7 manufacturer part numbers on file: 30J763PC45 (Westinghouse Electric Corp), 1JH606REV2PC51 (Westinghouse Electric Corp), 13J216PC44 (Westinghouse Electric Corp), S1297079 (Westinghouse Electric Corp), S842186 (Westinghouse Electric Corp) and 2 more.
Key specifications for 30J763PC45: Length: 1.500 INCHES NOMINAL IN; Peripheral Speed: 7000 FEET PER MINUTE FT; Body Style: RECTANGULAR COMMUTATOR; Terminal Slot Width: 0.219 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.