The Insulation Sleeving,electrical, cataloged under National Stock Number 5970-01-533-6091, 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 Sumitomo Electric Interconnect Products, Inc. Dba Sumitomo Electric Interconnect Products Inc. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-01-533-6091 |
| Primary Part Number | B24BLKSPOLL |
| Item Name | Insulation Sleeving,electrical |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Sumitomo Electric Interconnect Products, Inc. Dba Sumitomo Electric Interconnect Products Inc |
| Status | ACTIVE |
| Temp Rating | -55.0 CELSIUS AND 135.0 CELSIUS DEGC |
| Expanded Inside Diameter | 103.0 MILLIMETERS MINIMUM AND 109.0 MILLIMETERS MAXIMUM MM |
| Design Form | FULL ROUND |
| Markings | COLOR BLACK |
| Style Designator | SHRINKABLE |
| Flexibility | FLEXIBLE |
| Recovered Wall Thickness | 1.1 MILLIMETERS MINIMUM AND 1.6 MILLIMETERS MAXIMUM MM |
| Recovered Inside Diameter | 50.8 MILLIMETERS NOMINAL MM |
| Heat Shrinkage Rating in Percent | 50.0 |
| Dielectric Material Voltage Rating Per Unit Thickness | 19.7 KILOVOLTS PER MILLIMETER |
| Reliability Indicator | ESTABLISHED |
| Color | BLACK |
| Minimum Tensile Strength | 13400 KILOPASCALS |
| 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 |
|---|---|
| B24BLKSPOLL PRIMARY | Sumitomo Electric Interconnect Products, Inc. Dba Sumitomo Electric Interconnect Products Inc (USA) |
| SS72A4000Z040 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| MIL-I-23053/1 | 5/9 Secondary reference U.S. Government activity |
NSN 5970-01-533-6091 is a Insulation Sleeving,electrical, manufactured by Sumitomo Electric Interconnect Products, Inc. Dba Sumitomo Electric Interconnect Products Inc, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-533-6091 has 2 manufacturer part numbers on file: B24BLKSPOLL (Sumitomo Electric Interconnect Products, Inc. Dba Sumitomo Electric Interconnect Products Inc), SS72A4000Z040 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for B24BLKSPOLL: Temp Rating: -55.0 CELSIUS AND 135.0 CELSIUS DEGC; Expanded Inside Diameter: 103.0 MILLIMETERS MINIMUM AND 109.0 MILLIMETERS MAXIMUM MM; Design Form: FULL ROUND; Markings: COLOR BLACK. 13 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.