The Ring,electrical Contact Brush Ho, cataloged under National Stock Number 5977-01-159-4811, 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 Rockwell Collins, Inc. Dba Rc Displays Systems. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5977-01-159-4811 |
| Primary Part Number | PS83506-1 |
| Item Name | Ring,electrical Contact Brush Ho |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Rockwell Collins, Inc. Dba Rc Displays Systems |
| Status | ACTIVE |
| Overall Diameter | 3.312 INCHES NOMINAL IN |
| Shape | RING |
| 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 |
|---|---|
| PS83506-1 | Rockwell Collins, Inc. Dba Rc Displays Systems (USA) |
| Reference | Meaning |
|---|---|
| CSR-1184 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5977-01-159-4811 is a Ring,electrical Contact Brush Ho, manufactured by Rockwell Collins, Inc. Dba Rc Displays Systems, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-01-159-4811 has 1 manufacturer part number on file: PS83506-1 (Rockwell Collins, Inc. Dba Rc Displays Systems).
Key specifications for PS83506-1: Overall Height: 1.094 INCHES NOMINAL IN; Overall Diameter: 3.312 INCHES NOMINAL IN; Shape: RING; End Item Identification: AGE ACFT. 2 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.