The Insulation Sleeving,electrical, cataloged under National Stock Number 5970-01-579-6500, 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 Markel Corp.. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-01-579-6500 |
| Primary Part Number | 5021-09-Y |
| Item Name | Insulation Sleeving,electrical |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Markel Corp. |
| Status | ACTIVE |
| Style Designator | SHRINKABLE |
| Flexibility | FLEXIBLE |
| Recovered Inside Diameter | 0.118 INCHES NOMINAL IN |
| Color | YELLOW |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5021-09-Y | Markel Corp. (USA) |
| Reference | Meaning |
|---|---|
| PVC-105-9-Y | 5/2 Secondary reference U.S. Government activity |
| 415191-25-Y | 3/2 Design control — primary reference U.S. Government activity |
NSN 5970-01-579-6500 is a Insulation Sleeving,electrical, manufactured by Markel Corp., classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-579-6500 has 1 manufacturer part number on file: 5021-09-Y (Markel Corp.).
Key specifications for 5021-09-Y: Style Designator: SHRINKABLE; Flexibility: FLEXIBLE; Recovered Inside Diameter: 0.118 INCHES NOMINAL IN; Color: YELLOW. 4 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.