The Brush,electrical Contact, cataloged under National Stock Number 5977-00-941-9665, 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 Ontic Engineering & Manufacturing, Inc Dba Ontic Us. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-941-9665 |
| Primary Part Number | 1433-643401 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| Length | 0.406 INCHES NOMINAL IN |
| Body Style | RECTANGULAR COMMUTATOR |
| Radius | 0.281 INCHES NOMINAL IN |
| Terminal Hole Diameter | 0.112 INCHES NOMINAL IN |
| Top Style | FLAT |
| Shunt Position Designator | 12 |
| Style Designator | ONE PIECE |
| Material Document and Classification | CARBONE CARBON GRADE 51 MFR REF SINGLE MATERIAL RESPONSE |
| Brush Shunt Length | 1.016 INCHES NOMINAL SINGLE SHUNT IN |
| Contact Face Style | CONCAVE |
| Shunt Insulation Provision and Quantity | 1 UNINSULATED |
| Width | 0.185 INCHES NOMINAL IN |
| Material | CARBON |
| Terminal Type and Quantity | 1 STRAIGHT W/HOLE |
| Thickness | 0.185 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 |
|---|---|
| 1433-643401 PRIMARY | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| Reference | Meaning |
|---|---|
| 1433-643401 | 5/9 Secondary reference Parker-Hannifin Corporation Div Gas Turbine Fuel Systems |
NSN 5977-00-941-9665 is a Brush,electrical Contact, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-941-9665 has 1 manufacturer part number on file: 1433-643401 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
Key specifications for 1433-643401: Length: 0.406 INCHES NOMINAL IN; Body Style: RECTANGULAR COMMUTATOR; Radius: 0.281 INCHES NOMINAL IN; Terminal Hole Diameter: 0.112 INCHES NOMINAL IN. 15 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.