The Brush,electrical Contact, cataloged under National Stock Number 5977-00-314-3989, 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 Northrop Grumman Systems Corporation. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5977-00-314-3989 |
| Primary Part Number | 46A34-1 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Length | 0.625 INCHES NOMINAL IN |
| Body Style | RECTANGULAR |
| Precious Material | SILVER |
| Top Style | FLAT |
| Shunt Position Designator | 5 |
| Style Designator | ONE PIECE |
| Precious Material and Weight | 0.040 SILVER GRAINS, TROY |
| Brush Shunt Length | 2.250 INCHES NOMINAL SINGLE SHUNT IN |
| Contact Face Style | FLAT |
| Shunt Insulation Provision and Quantity | 1 UNINSULATED |
| Precious Material and Location | BODY SILVER |
| Width | 0.500 INCHES NOMINAL IN |
| Material | COPPER AND SILVER GRAPHITE |
| Terminal Type and Quantity | 1 STRAIGHT W/HOLE |
| Thickness | 0.500 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 |
|---|---|
| 46A34-1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 7502C1CH3 | 5/9 Secondary reference Gibson Electric Inc a Sub of Gte Sylvania Inc |
NSN 5977-00-314-3989 is a Brush,electrical Contact, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-314-3989 has 1 manufacturer part number on file: 46A34-1 (Northrop Grumman Systems Corporation).
Key specifications for 46A34-1: Length: 0.625 INCHES NOMINAL IN; Body Style: RECTANGULAR; Precious Material: SILVER; Top Style: FLAT. 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.