The Ring,electrical Contact Brush Ho, cataloged under National Stock Number 5977-00-296-0707, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-296-0707 |
| Item Name | Ring,electrical Contact Brush Ho |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Status | ACTIVE |
| Overall Diameter | 8.500 INCHES NOMINAL IN |
| Overall Thickness | 0.625 INCHES NOMINAL IN |
| Shape | CYLINDRICAL |
| Surface Treatment | RESIN SYNTHETIC |
| Mounting Configuration | FOUR 1/2 IN. DIA MTG HOLES EQUALLY ON 7-1/4 IN. DIA BOLT CIRCLE IN |
| Material | FIBER |
| Usage Design | USED TO RETAIN BRUSH HOLDER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 148A949P1 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| 148A949PC1 | 3/9 Design control — primary reference General Electric Company |
NSN 5977-00-296-0707 is a Ring,electrical Contact Brush Ho, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
Key specifications for 5977-00-296-0707: Overall Diameter: 8.500 INCHES NOMINAL IN; Overall Thickness: 0.625 INCHES NOMINAL IN; Shape: CYLINDRICAL; Surface Treatment: RESIN SYNTHETIC. 7 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.