The Insulation Sleeving,electrical,s, cataloged under National Stock Number 5970-01-264-6651, 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 23 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-01-264-6651 |
| Primary Part Number | 381A015-4 |
| Item Name | Insulation Sleeving,electrical,s |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Te Connectivity Corporation Dba Raychem Product Division |
| Status | ACTIVE |
| Distance From Intersecting Centerline of Main Body to End of First Branch | 2.500 INCHES NOMINAL AFTER UNRESTRICTED RECOVERY IN |
| Temp Rating | -55.0 CELSIUS DEGC |
| Second Branch Inside Diameter | 0.310 INCHES MAXIMUM AFTER UNRESTRICTED RECOVERY IN |
| Second Branch Inside Diameter | 0.440 INCHES MINIMUM AS SUPPLIED IN |
| Style Designator | TRANSITION-Y |
| Flexibility | FLEXIBLE |
| Angle Between Main Body and Second Branch Centerlines in Deg | 22.5 NOMINAL AFTER UNRESTRICTED RECOVERY |
| Angle Between Main Body and Second Branch Centerlines in Deg | 10.0 NOMINAL AS SUPPLIED |
| Material Document and Classification | RT-1304 MFR REF SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED |
| Second Branch Wall Thickness | 0.090 INCHES NOMINAL AFTER UNRESTRICTED RECOVERY IN |
| Main Body Inside Diameter | 0.310 INCHES MAXIMUM AFTER UNRESTRICTED RECOVERY IN |
| Main Body Inside Diameter | 0.680 INCHES MINIMUM AS SUPPLIED IN |
| Distance From Edge of Main Body to Intersecting Centerlines | 3.250 INCHES NOMINAL AFTER UNRESTRICTED RECOVERY IN |
| Dielectric Material Voltage Rating Per Unit Thickness | 225.0 VOLTS PER MIL /0.001 INCH/ IN |
| First Branch Wall Thickness | 0.090 INCHES NOMINAL AFTER UNRESTRICTED RECOVERY IN |
| Color | BLACK |
| Environmental Protection | CORROSION RESISTANT AND MILDEW RESISTANT AND WATER RESISTANT |
| Minimum Tensile Strength | 1200 POUNDS PER SQUARE INCH LBS |
| Material | PLASTIC POLYOLEFIN LOCATION NOT OTHERWISE SPECIFIED |
| First Branch Inside Diameter | 0.310 INCHES MAXIMUM AFTER UNRESTRICTED RECOVERY IN |
| First Branch Inside Diameter | 0.440 INCHES MINIMUM AS SUPPLIED IN |
| Main Body Wall Thickness | 0.090 INCHES NOMINAL AFTER UNRESTRICTED RECOVERY IN |
| Main Body Wall Thickness | 0.090 INCHES MINIMUM AS SUPPLIED IN |
| 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 |
|---|---|
| 213-1-J | Hellermanntyton Limited Dba Staeng (GBR) |
| 951087-75 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| 381A015-4 PRIMARY | Te Connectivity Corporation Dba Raychem Product Division (USA) |
| Reference | Meaning |
|---|---|
| 213-1-J | 5/9 Secondary reference Hellermanntyton Limited |
NSN 5970-01-264-6651 is a Insulation Sleeving,electrical,s, manufactured by Te Connectivity Corporation Dba Raychem Product Division, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-264-6651 has 3 manufacturer part numbers on file: 213-1-J (Hellermanntyton Limited Dba Staeng), 951087-75 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 381A015-4 (Te Connectivity Corporation Dba Raychem Product Division).
Key specifications for 381A015-4: Distance From Intersecting Centerline of Main Body to End of First Branch: 2.500 INCHES NOMINAL AFTER UNRESTRICTED RECOVERY IN; Temp Rating: -55.0 CELSIUS DEGC; Second Branch Inside Diameter: 0.310 INCHES MAXIMUM AFTER UNRESTRICTED RECOVERY IN; Second Branch Inside Diameter: 0.440 INCHES MINIMUM AS SUPPLIED IN. 23 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.