The Brush,electrical Contact, cataloged under National Stock Number 5977-00-665-3945, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-665-3945 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Status | ACTIVE |
| Length | 0.750 INCHES NOMINAL IN |
| Peripheral Speed | 6000 FEET PER MINUTE FT |
| Body Style | RECTANGULAR COMMUTATOR |
| Top Style | CYLINDRICAL HEAD |
| Criticality Code Justification | MATT AND MDCL |
| Style Designator | ONE PIECE |
| Material Document and Classification | NATIONAL GRADE SA-25 MFR REF SINGLE MATERIAL RESPONSE |
| Head Length | 0.125 INCHES NOMINAL IN |
| Contact Face Style | FLAT |
| Width | 0.250 INCHES NOMINAL IN |
| Material | ELECTROGRAPHITIC |
| Thickness | 0.250 INCHES NOMINAL IN |
| Head Diameter | 0.203 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 | Y |
| Reference | Meaning |
|---|---|
| MILB003743 | 4/1 Identification reference U.S. Government activity |
| NEMA NO. CB1 | 3/1 Design control — primary reference National Electrical Mfrs Assn Dba Nema |
| RC08-0820 | 5/9 Secondary reference National Electrical Carbon Products, Inc. Div Electrical |
| 63914336 | 5/9 Secondary reference National Electrical Carbon Products, Inc. Div Electrical |
| RC08-0820 | 5/9 Secondary reference Ucar Carbon Co Inc |
NSN 5977-00-665-3945 is a Brush,electrical Contact, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
Key specifications for 5977-00-665-3945: Length: 0.750 INCHES NOMINAL IN; Peripheral Speed: 6000 FEET PER MINUTE FT; Body Style: RECTANGULAR COMMUTATOR; Top Style: CYLINDRICAL HEAD. 13 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.