The Brush,electrical Contact, cataloged under National Stock Number 5977-00-247-5356, 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 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5977-00-247-5356 |
| Primary Part Number | 777887 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Length | 2.000 INCHES NOMINAL IN |
| Body Style | RECTANGULAR SLIP RING |
| Radius | 2.500 INCHES NOMINAL IN |
| Terminal Slot Width | 0.281 INCHES NOMINAL IN |
| Top Style | FLAT WITH BACK EDGE BEVELED |
| Shunt Position Designator | 4 |
| Style Designator | ONE PIECE |
| Bevel Depth | 0.188 INCHES NOMINAL IN |
| Material Document and Classification | CARBONE CARBON GRADE WS86 MFR REF SINGLE MATERIAL RESPONSE |
| Brush Shunt Length | 5.000 INCHES NOMINAL SINGLE SHUNT IN |
| Contact Face Style | CONCAVE |
| Shunt Insulation Provision and Quantity | 1 INSULATED |
| Bevel Length | 0.313 INCHES NOMINAL IN |
| Width | 0.500 INCHES NOMINAL IN |
| Material | ELECTROGRAPHITIC |
| Terminal Type and Quantity | 1 STRAIGHT W/SLOT |
| Thickness | 1.750 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 |
|---|---|
| 777887 PRIMARY | Westinghouse Electric Corp (USA) |
| M777887 | Miraj Corp (USA) |
| Reference | Meaning |
|---|---|
| 11D7818ITEM7 | 5/9 Secondary reference Westinghouse Electric Corp |
| NEMA PUB CB1 | 3/1 Design control — primary reference National Electrical Mfrs Assn Dba Nema |
NSN 5977-00-247-5356 is a Brush,electrical Contact, manufactured by Westinghouse Electric Corp, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-247-5356 has 2 manufacturer part numbers on file: 777887 (Westinghouse Electric Corp), M777887 (Miraj Corp).
Key specifications for 777887: Length: 2.000 INCHES NOMINAL IN; Body Style: RECTANGULAR SLIP RING; Radius: 2.500 INCHES NOMINAL IN; Terminal Slot Width: 0.281 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.