The Ring Assembly,electrical Contact, cataloged under National Stock Number 5977-00-643-7298, 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 Westinghouse Electric Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5977-00-643-7298 |
| Primary Part Number | 9D4483 |
| Item Name | Ring Assembly,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| FSC Application Data | GENERATOR,AC |
| Overall Diameter | 20.500 INCHES NOMINAL IN |
| Diameter | 20.500 INCHES NOMINAL IN |
| Mounting Configuration | 14.250 IN. DIA CENTER MTG HOLE IN |
| Width | 1.438 INCHES NOMINAL IN |
| Contact Ring Quantity | 2 |
| 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 |
|---|---|
| 9D4483 PRIMARY | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| S1421468 | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
NSN 5977-00-643-7298 is a Ring Assembly,electrical Contact, manufactured by Westinghouse Electric Corp, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-643-7298 has 1 manufacturer part number on file: 9D4483 (Westinghouse Electric Corp).
Key specifications for 9D4483: Overall Height: 7.750 INCHES NOMINAL IN; FSC Application Data: GENERATOR,AC; Overall Diameter: 20.500 INCHES NOMINAL IN; Diameter: 20.500 INCHES NOMINAL IN. 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.