The Insulating Varnish,electrical, cataloged under National Stock Number 5970-01-127-9619, is classified within Federal Supply Class 5970 (Electrical Insulators and Insulating Materials) of the Electrical and Electronic Equipment Components group. The manufacturer of record is John C. Dolph Company. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-01-127-9619 |
| Primary Part Number | BC-346B |
| Item Name | Insulating Varnish,electrical |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | John C. Dolph Company |
| Status | ACTIVE |
| Drying Method | BAKED |
| Dry Dielectric Material Voltage Rating in Volts Per Mil Thickness | 4000.0 |
| Color | CLEAR AND AMBER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| BC-346B PRIMARY | John C. Dolph Company (USA) |
| HI-THERM BC-346-B | John C. Dolph Company (USA) |
NSN 5970-01-127-9619 is a Insulating Varnish,electrical, manufactured by John C. Dolph Company, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-127-9619 has 2 manufacturer part numbers on file: BC-346B (John C. Dolph Company), HI-THERM BC-346-B (John C. Dolph Company).
Key specifications for BC-346B: Drying Method: BAKED; Dry Dielectric Material Voltage Rating in Volts Per Mil Thickness: 4000.0; Color: CLEAR AND AMBER; Special Features: HIGH TEMPERATURE USE. 3 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.