The Brush,electrical Contact, cataloged under National Stock Number 5977-00-417-8960, 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 Naval Sea Systems Command. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5977-00-417-8960 |
| Primary Part Number | 2805856G1 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Length | 1.300 INCHES NOMINAL IN |
| Body Style | RECTANGULAR SLIP RING |
| Radius | 7.000 INCHES NOMINAL IN |
| Terminal Hole Diameter | 0.156 INCHES NOMINAL IN |
| Precious Material | SILVER |
| Top Style | FLAT WITH FRONT EDGE BEVELED |
| Shunt Position Designator | 4 AND 5 |
| Style Designator | ONE PIECE |
| Precious Material and Weight | 0.040 SILVER GRAINS, TROY |
| Material Document and Classification | SUPERIOR CARBON GRADE N65HH MFR REF SINGLE MATERIAL RESPONSE |
| Brush Shunt Length | 2.500 INCHES NOMINAL ALL SHUNTS IN |
| Contact Face Style | CONCAVE |
| Shunt Insulation Provision and Quantity | 2 INSULATED |
| Precious Material and Location | BRUSH SILVER |
| Width | 0.175 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN |
| Material | SILVER GRAPHITE |
| Terminal Type and Quantity | 1 TUBULAR W/HOLE |
| Thickness | 0.995 INCHES MINIMUM AND 1.000 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 |
|---|---|
| 2805856G1 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 2805856G1 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 5977-00-417-8960 is a Brush,electrical Contact, manufactured by Naval Sea Systems Command, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-417-8960 has 1 manufacturer part number on file: 2805856G1 (Naval Sea Systems Command).
Key specifications for 2805856G1: Length: 1.300 INCHES NOMINAL IN; Body Style: RECTANGULAR SLIP RING; Radius: 7.000 INCHES NOMINAL IN; Terminal Hole Diameter: 0.156 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.