The Brush,electrical Contact, cataloged under National Stock Number 5977-00-090-2707, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-090-2707 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Status | ACTIVE |
| Outer Edge to Slot Edge Distance | 0.172 INCHES NOMINAL IN |
| Length | 1.250 INCHES NOMINAL IN |
| Peripheral Speed | 6000 FEET PER MINUTE FT |
| Body Style | RECTANGULAR COMMUTATOR |
| Radius | 1.370 INCHES NOMINAL IN |
| Top Style | FLAT WITH RECTANGULAR SLOT |
| Shunt Position Designator | 11 |
| Criticality Code Justification | MATT AND MDCL |
| Style Designator | PAIRED |
| Material Document and Classification | UNION CARBIDE CORP,GR 259 MFR REF SINGLE MATERIAL RESPONSE |
| Brush Shunt Length | 6.500 INCHES NOMINAL SINGLE SHUNT IN |
| Contact Face Style | CONCAVE |
| Slot Depth | 0.031 INCHES NOMINAL IN |
| Width | 0.625 INCHES NOMINAL IN |
| Material | ELECTROGRAPHITIC |
| Slot Width | 0.281 INCHES NOMINAL IN |
| Thickness | 0.250 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 |
|---|---|
| ANSI/NEMA PUB NO. CB1 | 5/9 Secondary reference U.S. Government activity |
| X1R63-26 | 5/2 Secondary reference U.S. Government activity |
| PA4966 | 5/9 Secondary reference National Electrical Carbon Products, Inc. Div Electrical |
| PA4966 | 5/9 Secondary reference Ucar Carbon Co Inc |
| 792697 | 3/2 Design control — primary reference U.S. Government activity |
| RC08-2009N | 5/9 Secondary reference National Electrical Carbon Products, Inc. Div Electrical |
| RC08-2009N | 5/9 Secondary reference Ucar Carbon Co Inc |
NSN 5977-00-090-2707 is a Brush,electrical Contact, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
Key specifications for 5977-00-090-2707: Outer Edge to Slot Edge Distance: 0.172 INCHES NOMINAL IN; Length: 1.250 INCHES NOMINAL IN; Peripheral Speed: 6000 FEET PER MINUTE FT; Body Style: RECTANGULAR COMMUTATOR. 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.