The Brush,electrical Contact, cataloged under National Stock Number 5977-00-557-8664, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-557-8664 |
| Primary Part Number | 1140968 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Length | 0.280 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN |
| Body Style | RECTANGULAR SLIP RING |
| Radius | 0.174 INCHES NOMINAL IN |
| Shunt Position Designator | 5 |
| Style Designator | ONE PIECE |
| Material Document and Classification | STACKPOLE CARBON COGRADE W9 MFR REF SINGLE MATERIAL RESPONSE |
| Pressure Spring Type and Quantity | 1 CYLINDRICAL |
| Brush Shunt Length | 0.626 INCHES MINIMUM AND 0.688 INCHES MAXIMUM SINGLE SHUNT IN |
| Contact Face Style | CONCAVE |
| Shunt Insulation Provision and Quantity | 1 UNINSULATED |
| Width | 0.127 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Material | METAL GRAPHITE |
| Terminal Type and Quantity | 1 ROUND CAP W/EARS |
| Thickness | 0.157 INCHES MINIMUM AND 0.160 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 |
| Part Number | Manufacturer |
|---|---|
| 1140968 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 1140968 | 5/9 Secondary reference U.S. Government activity |
NSN 5977-00-557-8664 is a Brush,electrical Contact, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-557-8664 has 1 manufacturer part number on file: 1140968 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 1140968: Length: 0.280 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN; Body Style: RECTANGULAR SLIP RING; Radius: 0.174 INCHES NOMINAL IN; Shunt Position Designator: 5. 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.