The Ring,electrical Contact Brush Ho, cataloged under National Stock Number 5977-00-665-2830, 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 5 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-665-2830 |
| Primary Part Number | S1656771 |
| Item Name | Ring,electrical Contact Brush Ho |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Overall Diameter | 8.000 INCHES NOMINAL IN |
| Overall Thickness | 1.000 INCHES NOMINAL IN |
| Shape | CYLINDRICAL |
| Mounting Configuration | 4 MTG SLOTS 1-1/4 IN. BY 11/32 IN. ON 7 IN. DIA BOLT CIRCLE SPACED 90 DEG APART IN |
| Material | PLASTIC MELAMINE AND GLASS FIBER |
| 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 |
|---|---|
| S1656771 | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 1JH1737PC23 | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
| CD4467PC8 | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
| S1656771 | 3/9 Design control — primary reference Westinghouse Electric Corp Control Business Unit |
| 6301-3197898PC23 | 5/2 Secondary reference U.S. Government activity |
NSN 5977-00-665-2830 is a Ring,electrical Contact Brush Ho, manufactured by Westinghouse Electric Corp, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-665-2830 has 1 manufacturer part number on file: S1656771 (Westinghouse Electric Corp).
Key specifications for S1656771: Overall Diameter: 8.000 INCHES NOMINAL IN; Overall Thickness: 1.000 INCHES NOMINAL IN; Shape: CYLINDRICAL; Mounting Configuration: 4 MTG SLOTS 1-1/4 IN. BY 11/32 IN. ON 7 IN. DIA BOLT CIRCLE SPACED 90 DEG APART IN. 5 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.