The Brush Set,electrical Contact, cataloged under National Stock Number 5977-01-686-8422, 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 Ewr Radar Systems Inc Dba Ewr Radar Systems. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Brush Set,electrical Contact |
| FSC / FSG | 5977 — Electrical Contact Brushes and Electrodes (FSG 59) |
| Manufacturers | Ewr Radar Systems Inc Dba Ewr Radar Systems (CAGE 047B6); Niwc Pacific San Diego Navy Erp Dba Naval Information Warfare Center Pacific Div Naval Information Warfare Center Pacific (CAGE 55910) |
| Parameter | Value |
|---|---|
| NSN | 5977-01-686-8422 |
| Primary Part Number | PDR040810-01-LDB |
| Item Name | Brush Set,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Ewr Radar Systems Inc Dba Ewr Radar Systems |
| Status | ACTIVE |
| 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 |
|---|---|
| PDR040810-01-LDB PRIMARY | Ewr Radar Systems Inc Dba Ewr Radar Systems (USA) |
| 0222843 SHEET 2 FIND ITEM 80 | Niwc Pacific San Diego Navy Erp Dba Naval Information Warfare Center Pacific Div Naval Information Warfare Center Pacific (USA) |
| Reference | Meaning |
|---|---|
| 0222843 | D/9 Drawing number reference only Niwc Pacific San Diego Navy Erp Dba Naval Information Warfare Center Pacific Div Naval Information Warfare Center Pacific |
NSN 5977-01-686-8422 is a Brush Set,electrical Contact, manufactured by Ewr Radar Systems Inc Dba Ewr Radar Systems, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-01-686-8422 has 2 manufacturer part numbers on file: PDR040810-01-LDB (Ewr Radar Systems Inc Dba Ewr Radar Systems), 0222843 SHEET 2 FIND ITEM 80 (Niwc Pacific San Diego Navy Erp Dba Naval Information Warfare Center Pacific Div Naval Information Warfare Center Pacific).
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.