The Brush,electrical Contact, cataloged under National Stock Number 5977-00-140-4183, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-140-4183 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Status | ACTIVE |
| Length | 0.938 INCHES NOMINAL IN |
| Body Style | RECTANGULAR COMMUTATOR |
| Radius | 1.250 INCHES NOMINAL IN |
| Distance From Center of Hole to Outside Edge | 0.438 INCHES NOMINAL IN |
| Terminal Hole Diameter | 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN |
| Distance From Brush Top to Hole Centerline | 0.281 INCHES NOMINAL IN |
| Top Style | FLAT |
| Shunt Position Designator | 2 AND 8 |
| Style Designator | ONE PIECE |
| Material Document and Classification | THE OHIO CARBON CO,GR -18 MFR REF SINGLE MATERIAL RESPONSE |
| Basic Shape Style | UNTHREADED SINGLE THROUGH HOLE |
| Brush Shunt Length | 1.750 INCHES NOMINAL ALL SHUNTS IN |
| Contact Face Style | CONCAVE ON BEVEL |
| Width | 0.875 INCHES NOMINAL IN |
| Material | METAL GRAPHITE |
| Terminal Type and Quantity | 1 STRAIGHT W/HOLE |
| Hole Diameter | 0.193 INCHES NOMINAL IN |
| Thickness | 0.438 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 |
| Reference | Meaning |
|---|---|
| 711378 | 3/9 Design control — primary reference Elwell-Parker Electric Co |
NSN 5977-00-140-4183 is a Brush,electrical Contact, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
Key specifications for 5977-00-140-4183: Length: 0.938 INCHES NOMINAL IN; Body Style: RECTANGULAR COMMUTATOR; Radius: 1.250 INCHES NOMINAL IN; Distance From Center of Hole to Outside Edge: 0.438 INCHES NOMINAL IN. 18 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.