The Brush,electrical Contact, cataloged under National Stock Number 5977-00-280-3378, 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 Miraj Corp. 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through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-280-3378 |
| Primary Part Number | 120A500G14 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Miraj Corp |
| Status | ACTIVE |
| Length | 2.500 INCHES NOMINAL IN |
| Peripheral Speed | 6000 FEET PER MINUTE FT |
| Body Style | RECTANGULAR COMMUTATOR |
| Terminal Slot Width | 0.281 INCHES NOMINAL IN |
| Top Style | FLAT |
| Shunt Position Designator | 2 AND 8 |
| Style Designator | ONE PIECE |
| Material Document and Classification | WESTINGHOUSE ELECTRIC CORP,GR WW-11 MFR REF SINGLE MATERIAL RESPONSE |
| Brush Shunt Length | 5.500 INCHES NOMINAL ALL SHUNTS IN |
| Contact Face Style | BEVELED |
| Shunt Insulation Provision and Quantity | 2 UNINSULATED |
| Clip Bevel Angle in Deg | 30.0 NOMINAL |
| Width | 1.750 INCHES NOMINAL IN |
| Bevel Angle | 30.0 DEGREES NOMINAL |
| Material | ELECTROGRAPHITIC |
| Terminal Type and Quantity | 1 TUBULAR W/SLOT |
| Thickness | 0.625 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 |
|---|---|
| 120A500G14 PRIMARY | Miraj Corp (USA) |
| Reference | Meaning |
|---|---|
| 22D9035ITEM16 | 5/9 Secondary reference Westinghouse Electric Corp |
| 36J787ITEM610 | 5/9 Secondary reference Westinghouse Electric Corp |
| 36J785PC15 | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
| 120A500G14 | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
| 29D239ITEM11 | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
| S1196829 | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
| 36J787ITEM610 | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
| 36J785PC15 | 5/9 Secondary reference Westinghouse Electric Corp |
| 29D239ITEM11 | 5/9 Secondary reference Westinghouse Electric Corp |
| S1196829 | 3/9 Design control — primary reference Westinghouse Electric Corp |
NSN 5977-00-280-3378 is a Brush,electrical Contact, manufactured by Miraj Corp, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-280-3378 has 1 manufacturer part number on file: 120A500G14 (Miraj Corp).
Key specifications for 120A500G14: Length: 2.500 INCHES NOMINAL IN; Peripheral Speed: 6000 FEET PER MINUTE FT; Body Style: RECTANGULAR COMMUTATOR; 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.