The Insulating Compound,electrical, cataloged under National Stock Number 5970-01-088-6565, 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 Thermalloy Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5970-01-088-6565 |
| Primary Part Number | 251G |
| Item Name | Insulating Compound,electrical |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Thermalloy Inc |
| Status | ACTIVE |
| Temp Rating in Deg Celsius at Which the Voltage Test Is Established | 40.0 MINIMUM AND 15.5 MAXIMUM |
| Unit Package Type | CAN |
| Unit Package Quantity | 1 |
| Physical Form | PASTE |
| Dielectric Material Voltage Rating Per Mil Thickness in Volts | 300.0 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 251G PRIMARY | Thermalloy Inc (USA) |
| Reference | Meaning |
|---|---|
| 251 | 5/9 Secondary reference Thermalloy Co Inc |
NSN 5970-01-088-6565 is a Insulating Compound,electrical, manufactured by Thermalloy Inc, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-088-6565 has 1 manufacturer part number on file: 251G (Thermalloy Inc).
1 possible match (shared part number, not a government interchangeability claim): 5120-01-610-6772. Verify interchangeability with system specifications before substitution.
Key specifications for 251G: Temp Rating in Deg Celsius at Which the Voltage Test Is Established: 40.0 MINIMUM AND 15.5 MAXIMUM; Unit Package Type: CAN; Unit Package Quantity: 1; Physical Form: PASTE. 5 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.