The Brush,electrical Contact, cataloged under National Stock Number 5977-01-037-9679, 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17 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-01-037-9679 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Status | ACTIVE |
| Outer Edge to Slot Edge Distance | 0.214 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN |
| Length | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Body Style | RECTANGULAR COMMUTATOR |
| Radius | 0.401 INCHES MINIMUM AND 0.411 INCHES MAXIMUM IN |
| Top Style | FLAT WITH RECTANGULAR SLOT |
| Shunt Position Designator | 2 AND 8 |
| Style Designator | ONE PIECE |
| Material Document and Classification | HELWIG CARBON,INC GRADE 673 MFR REF SINGLE MATERIAL RESPONSE |
| Brush Shunt Length | 0.970 INCHES MINIMUM AND 1.030 INCHES MAXIMUM ALL SHUNTS IN |
| Contact Face Style | CONCAVE |
| Shunt Insulation Provision and Quantity | 2 UNINSULATED |
| Slot Depth | 0.022 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN |
| Width | 0.498 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Material | METAL GRAPHITE |
| Terminal Type and Quantity | 2 STRAIGHT W/HOLE |
| Slot Width | 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN |
| Thickness | 0.310 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 80284 | 5/2 Secondary reference U.S. Government activity |
| 80284 | 3/9 Design control — primary reference Goodrich Corporation Dba Trw Lucas Aerospace |
NSN 5977-01-037-9679 is a Brush,electrical Contact, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 2530-01-315-0666, 5930-01-486-0746. Verify interchangeability with system specifications before substitution.
Key specifications for 5977-01-037-9679: Outer Edge to Slot Edge Distance: 0.214 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN; Length: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN; Body Style: RECTANGULAR COMMUTATOR; Radius: 0.401 INCHES MINIMUM AND 0.411 INCHES MAXIMUM 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.