The Insulation Sleeving,electrical,s, cataloged under National Stock Number 5970-01-536-9641, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5970-01-536-9641 |
| Primary Part Number | 301A028-25S-0 |
| 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 |
| Markings | BASE P/N PLUS DASH |
| Angle Between Main Body and First Branch Centerlines in Deg | 90.0 NOMINAL AFTER UNRESTRICTED RECOVERY |
| Style Designator | TRANSITION-T |
| Flexibility | FLEXIBLE |
| Distance From Centerline of Main Body to End of First Branch | 1.770 INCHES NOMINAL AFTER UNRESTRICTED RECOVERY IN |
| Main Body Inside Diameter | 0.400 INCHES NOMINAL AFTER UNRESTRICTED RECOVERY IN |
| Main Body Overall Length | 2.310 INCHES NOMINAL AFTER UNRESTRICTED RECOVERY IN |
| Reliability Indicator | NOT ESTABLISHED |
| First Branch Wall Thickness | 0.080 INCHES NOMINAL AFTER UNRESTRICTED RECOVERY IN |
| Color | BLACK |
| Material | RUBBER SYNTHETIC LOCATION NOT OTHERWISE SPECIFIED |
| First Branch Inside Diameter | 3.540 INCHES NOMINAL AFTER UNRESTRICTED RECOVERY IN |
| Main Body Wall Thickness | 0.080 INCHES NOMINAL AFTER UNRESTRICTED RECOVERY 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 |
|---|---|
| 301A028-25S-0 PRIMARY | Te Connectivity Corporation Dba Raychem Product Division (USA) |
| 890DI0042 | Leonardo S.p.a. - Electronics Division - Defence Business Area (ITA) |
| Reference | Meaning |
|---|---|
| 301A028-25S | 5/9 Secondary reference Te Connectivity Corporation Dba Raychem Product Division |
NSN 5970-01-536-9641 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 5970-01-536-9641 has 2 manufacturer part numbers on file: 301A028-25S-0 (Te Connectivity Corporation Dba Raychem Product Division), 890DI0042 (Leonardo S.p.a. - Electronics Division - Defence Business Area).
Key specifications for 301A028-25S-0: Markings: BASE P/N PLUS DASH; Angle Between Main Body and First Branch Centerlines in Deg: 90.0 NOMINAL AFTER UNRESTRICTED RECOVERY; Style Designator: TRANSITION-T; Flexibility: FLEXIBLE. 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.