The Brush,electrical Contact, cataloged under National Stock Number 5977-00-179-4895, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. Government technical data includes 23 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-179-4895 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Status | ACTIVE |
| Length | 1.312 INCHES NOMINAL IN |
| Body Style | RECTANGULAR COMMUTATOR |
| Radius | 1.440 INCHES NOMINAL IN |
| Distance From Center of Hole to Outside Edge | 0.199 INCHES NOMINAL IN |
| Terminal Hole Diameter | 0.203 INCHES NOMINAL IN |
| Distance From Brush Top to Hole Centerline | 0.437 INCHES NOMINAL IN |
| Top Style | BEVELED FRONT |
| Shunt Position Designator | 3 AND 9 |
| Clip Type | NEMA HAMMER TYPE OFFSET A |
| Style Designator | ONE PIECE |
| Material Document and Classification | NATIONAL CARBON GRADE R834 MFR REF SINGLE MATERIAL RESPONSE |
| Angle | 30.5 DEGREES NOMINAL |
| Basic Shape Style | UNTHREADED SINGLE THROUGH HOLE |
| Brush Shunt Length | 1.134 INCHES NOMINAL SINGLE SHUNT IN |
| Contact Face Style | CONCAVE ON BEVEL |
| Shunt Insulation Provision and Quantity | 1 UNINSULATED |
| Width | 1.312 INCHES NOMINAL IN |
| Bevel Angle | 8.0 DEGREES NOMINAL |
| Material | CARBON |
| Terminal Type and Quantity | 1 TUBULAR W/HOLE |
| Component Brush Quantity Per Multiple Brush | 2 |
| Hole Diameter | 0.031 INCHES NOMINAL IN |
| Thickness | 0.398 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 |
|---|---|
| 26C212P02 | 3/9 Design control — primary reference National Electrical Carbon Products, Inc. Div Electrical |
| 5977001794895 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 10912456 | 7/1 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm |
| 26C212P02 | 5/9 Secondary reference National Electrical Carbon Products Inc East Stroudsburg-Pa |
NSN 5977-00-179-4895 is a Brush,electrical Contact, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5977-00-574-1046. Verify interchangeability with system specifications before substitution.
Key specifications for 5977-00-179-4895: Length: 1.312 INCHES NOMINAL IN; Body Style: RECTANGULAR COMMUTATOR; Radius: 1.440 INCHES NOMINAL IN; Distance From Center of Hole to Outside Edge: 0.199 INCHES NOMINAL IN. 23 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.