The Brush,electrical Contact, cataloged under National Stock Number 5977-01-048-2631, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Kato Engineering Inc.. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-01-048-2631 |
| Primary Part Number | 050-12107-03 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Kato Engineering Inc. |
| Status | ACTIVE |
| Length | 1.250 INCHES MINIMUM AND 1.282 INCHES MAXIMUM IN |
| Body Style | RECTANGULAR COMMUTATOR |
| Terminal Hole Diameter | 0.219 INCHES NOMINAL IN |
| Top Style | FLAT WITH LEFT EDGE BEVELED |
| Shunt Position Designator | 2 |
| Style Designator | ONE PIECE |
| Material Document and Classification | NATIONAL CARBON GRADE 258 MFR REF SINGLE MATERIAL RESPONSE |
| Brush Shunt Length | 4.000 INCHES MINIMUM AND 4.125 INCHES MAXIMUM SINGLE SHUNT IN |
| Contact Face Style | FLAT |
| Shunt Insulation Provision and Quantity | 1 UNINSULATED |
| Width | 0.750 INCHES NOMINAL IN |
| Material | ELECTROGRAPHITIC |
| Terminal Type and Quantity | 1 STRAIGHT W/HOLE |
| Thickness | 0.625 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 |
| Part Number | Manufacturer |
|---|---|
| 050-12107-03 PRIMARY | Kato Engineering Inc. (USA) |
NSN 5977-01-048-2631 is a Brush,electrical Contact, manufactured by Kato Engineering Inc., classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-01-048-2631 has 1 manufacturer part number on file: 050-12107-03 (Kato Engineering Inc.).
Key specifications for 050-12107-03: Length: 1.250 INCHES MINIMUM AND 1.282 INCHES MAXIMUM IN; Body Style: RECTANGULAR COMMUTATOR; Terminal Hole Diameter: 0.219 INCHES NOMINAL IN; Top Style: FLAT WITH LEFT EDGE BEVELED. 14 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.