The Insulation Sleeving,electrical, cataloged under National Stock Number 5970-01-532-1121, 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 Department of Defense Project Manager-Mobile Electric Power. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-01-532-1121 |
| Primary Part Number | 88-20541-13 |
| Item Name | Insulation Sleeving,electrical |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Department of Defense Project Manager-Mobile Electric Power |
| Status | ACTIVE |
| Expanded Inside Diameter | 0.375 INCHES NOMINAL IN |
| Design Form | FULL ROUND |
| Dielectric Withstanding Voltage in Volts | 600.0 |
| Style Designator | SHRINKABLE |
| Flexibility | FLEXIBLE |
| Recovered Wall Thickness | 0.022 INCHES MINIMUM IN |
| Recovered Inside Diameter | 0.187 INCHES NOMINAL IN |
| Heat Shrinkage Rating in Percent | 50.0 |
| Reliability Indicator | ESTABLISHED |
| Color | BLACK |
| Environmental Protection | FLAME RESISTANT |
| Minimum Tensile Strength | 2400 POUNDS PER SQUARE INCH LBS |
| 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 |
|---|---|
| 88-20541-13 PRIMARY | Department of Defense Project Manager-Mobile Electric Power (USA) |
| B2 3/8 BLACK | Sumitomo Electric Interconnect Products, Inc. Dba Sumitomo Electric Interconnect Products Inc (USA) |
| Reference | Meaning |
|---|---|
| 88-20541 | 7/2 Vendor item drawing reference Department of Defense Project Manager-Mobile Electric Power |
| ST-301-3/8 BLACK | 5/9 Secondary reference Dearborn/cdt, Inc. |
NSN 5970-01-532-1121 is a Insulation Sleeving,electrical, manufactured by Department of Defense Project Manager-Mobile Electric Power, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-532-1121 has 2 manufacturer part numbers on file: 88-20541-13 (Department of Defense Project Manager-Mobile Electric Power), B2 3/8 BLACK (Sumitomo Electric Interconnect Products, Inc. Dba Sumitomo Electric Interconnect Products Inc).
4 possible matches (shared part number, not a government interchangeability claim): 5970-01-592-9673, 5970-01-592-9736, 5970-01-593-2826. Verify interchangeability with system specifications before substitution.
Key specifications for 88-20541-13: Expanded Inside Diameter: 0.375 INCHES NOMINAL IN; Design Form: FULL ROUND; Dielectric Withstanding Voltage in Volts: 600.0; Style Designator: SHRINKABLE. 12 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.