The Insulation Sleeving,electrical, cataloged under National Stock Number 5970-01-422-3579, 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 Te Connectivity Corporation Dba Raychem Product Division. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5970-01-422-3579 |
| Primary Part Number | ATUM-12/4-0-MS-STK |
| Item Name | Insulation Sleeving,electrical |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Te Connectivity Corporation Dba Raychem Product Division |
| Status | ACTIVE |
| Temp Rating | -55.0 CELSIUS AND 110.0 CELSIUS DEGC |
| Expanded Inside Diameter | 0.472 INCHES MINIMUM IN |
| Style Designator | SHRINKABLE |
| Flexibility | FLEXIBLE |
| Recovered Wall Thickness | 0.070 INCHES NOMINAL IN |
| Recovered Inside Diameter | 0.157 INCHES MAXIMUM IN |
| Dielectric Material Voltage Rating Per Unit Thickness | 300.0 VOLTS PER MIL /0.001 INCH/ IN |
| Reliability Indicator | NOT ESTABLISHED |
| Color | BLACK |
| Environmental Protection | CORROSION RESISTANT AND FLAME RESISTANT AND MILDEW RESISTANT |
| Minimum Tensile Strength | 1300 POUNDS PER SQUARE INCH LBS |
| Material | PLASTIC POLYOLEFIN |
| 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 |
|---|---|
| EPS-300-1.2-48-BLACK-BOX | 3m Company (USA) |
| ATUM 1/2 BLACK | Nvent Thermal Netherlands B.v. (NLD) |
| ATUM-12/4-0-MS-STK PRIMARY | Te Connectivity Corporation Dba Raychem Product Division (USA) |
| Reference | Meaning |
|---|---|
| 12420957 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
| ATUM-1/2-0-4FT | 5/9 Secondary reference Te Connectivity Corporation Dba Raychem Product Division |
| EPS-300-1/2 | 5/9 Secondary reference Minnesota Mining and Mfg Co |
| ATUM 1/2 | 5/9 Secondary reference Te Connectivity Corporation Dba Raychem Product Division |
| 12420957-005 | 7/2 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm |
| ATUM-1/2-0-4FT | 5/1 Secondary reference Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc |
| EPS-300-1/2 BLK | 5/9 Secondary reference 3m Company Dba 3m |
| ATUM 1/2-BLACK | 5/9 Secondary reference Te Connectivity Corporation Dba Raychem Product Division |
| EPS-300-1/2 BLK | C/1 Advisory reference — outside the item-of-supply concept 3m Company |
NSN 5970-01-422-3579 is a Insulation Sleeving,electrical, manufactured by Te Connectivity Corporation Dba Raychem Product Division, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-422-3579 has 3 manufacturer part numbers on file: EPS-300-1.2-48-BLACK-BOX (3m Company), ATUM 1/2 BLACK (Nvent Thermal Netherlands B.v.), ATUM-12/4-0-MS-STK (Te Connectivity Corporation Dba Raychem Product Division).
2 possible matches (shared part number, not a government interchangeability claim): 5970-01-466-8632, 5970-01-494-8594. Verify interchangeability with system specifications before substitution.
Key specifications for ATUM-12/4-0-MS-STK: Temp Rating: -55.0 CELSIUS AND 110.0 CELSIUS DEGC; Expanded Inside Diameter: 0.472 INCHES MINIMUM IN; Style Designator: SHRINKABLE; Flexibility: FLEXIBLE. 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.