The Ring,electrical Contact Brush Ho, cataloged under National Stock Number 5977-01-046-4855, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-01-046-4855 |
| Item Name | Ring,electrical Contact Brush Ho |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Status | ACTIVE |
| Overall Diameter | 5.380 INCHES NOMINAL IN |
| Material Document and Classification | 415832-1500,TEXAS INSTRUMENT INC MFR REF SINGLE MATERIAL RESPONSE |
| Shape | CYLINDRICAL |
| Mounting Configuration | FOUR 0.128 IN. DIA MTG HOLES 90.0 DEG APART IN |
| Material | PLASTIC |
| 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 |
|---|---|
| 887972-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5977-01-046-4855 is a Ring,electrical Contact Brush Ho, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5360-01-530-6781. Verify interchangeability with system specifications before substitution.
Key specifications for 5977-01-046-4855: Overall Height: 0.500 INCHES NOMINAL IN; Overall Diameter: 5.380 INCHES NOMINAL IN; Material Document and Classification: 415832-1500,TEXAS INSTRUMENT INC MFR REF SINGLE MATERIAL RESPONSE; Shape: CYLINDRICAL. 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.