The Ring Assembly,electrical Contact, cataloged under National Stock Number 5977-00-503-7966, 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 General Electric Company. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5977-00-503-7966 |
| Primary Part Number | 519E430G1 |
| Item Name | Ring Assembly,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Brush Quantity | 26 |
| FSC Application Data | RADAR SET,RADAR SEARCH EQUIPMENT,EXCEPT AIRBORNE |
| Brush Holder Quantity | 4 |
| Brush Quantity Accommodated Per Holder | 13 |
| Mounting Configuration | FIFTEEN 9/16 IN. DIA MTG HOLES AND TWO 27/64 IN. DIA HOLES IRREGULARLY SPACED IN |
| Contact Ring Quantity | 20 |
| 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 |
|---|---|
| 519E430G1 PRIMARY | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 519E430G1 | 5/9 Secondary reference General Electric Co Electronic Components Division of Electronic Atomic and Defense Systems Group |
NSN 5977-00-503-7966 is a Ring Assembly,electrical Contact, manufactured by General Electric Company, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-503-7966 has 1 manufacturer part number on file: 519E430G1 (General Electric Company).
Key specifications for 519E430G1: Brush Quantity: 26; Overall Height: 78.375 INCHES NOMINAL IN; FSC Application Data: RADAR SET,RADAR SEARCH EQUIPMENT,EXCEPT AIRBORNE; Brush Holder Quantity: 4. 6 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.