The Insulation Sleeving,electrical, cataloged under National Stock Number 5970-01-724-9635, 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 Western Filament, Inc.. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-01-724-9635 |
| Primary Part Number | EXPANDABLE SLEEVING-1-1/4"-BLK-F |
| Item Name | Insulation Sleeving,electrical |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Western Filament, Inc. |
| Status | ACTIVE |
| Expanded Inside Diameter | 0.75 INCHES NOMINAL IN |
| Design Form | FULL ROUND |
| Style Designator | SHRINKABLE |
| Flexibility | FLEXIBLE |
| Recovered Wall Thickness | 0.025 INCHES NOMINAL IN |
| Recovered Inside Diameter | 1.50 INCHES NOMINAL IN |
| Reliability Indicator | ESTABLISHED |
| Color | BLACK |
| Environmental Protection | HEAT RESISTANT AND ABRASION RESISTANT AND CHEMICAL RESISTANT AND FUNGUS RESISTANT AND FLAME RESISTANT |
| Material | PLASTIC POLYESTER |
| 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 |
|---|---|
| EXPANDABLE SLEEVING-1-1/4"-BLK-F PRIMARY | Western Filament, Inc. (USA) |
| 84001027-005 | The Boeing Company Div Services (USA) |
| Reference | Meaning |
|---|---|
| 1-1/4"-EXPANDO PT-BLACK | 3/2 Design control — primary reference U.S. Government activity |
| 84001027 | D/9 Drawing number reference only U.S. Government activity |
NSN 5970-01-724-9635 is a Insulation Sleeving,electrical, manufactured by Western Filament, Inc., classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-724-9635 has 2 manufacturer part numbers on file: EXPANDABLE SLEEVING-1-1/4"-BLK-F (Western Filament, Inc.), 84001027-005 (The Boeing Company Div Services).
Key specifications for EXPANDABLE SLEEVING-1-1/4"-BLK-F: Expanded Inside Diameter: 0.75 INCHES NOMINAL IN; Design Form: FULL ROUND; Style Designator: SHRINKABLE; Flexibility: FLEXIBLE. 10 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.