The Insulation Sleeving,electrical, cataloged under National Stock Number 5970-01-479-1072, 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 Techflex Inc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5970-01-479-1072 |
| Primary Part Number | RYN0.25BK |
| Item Name | Insulation Sleeving,electrical |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Techflex Inc |
| Status | ACTIVE |
| Expanded Inside Diameter | 3.750 INCHES NOMINAL IN |
| Style Designator | SHRINKABLE |
| Flexibility | FLEXIBLE |
| Recovered Wall Thickness | 0.250 INCHES NOMINAL IN |
| Recovered Inside Diameter | 0.125 INCHES NOMINAL IN |
| Reliability Indicator | ESTABLISHED |
| Material | PLASTIC |
| 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 |
|---|---|
| RYN0.25BK PRIMARY | Techflex Inc (USA) |
| Reference | Meaning |
|---|---|
| RY2X | 5/9 Secondary reference Techflex Inc |
NSN 5970-01-479-1072 is a Insulation Sleeving,electrical, manufactured by Techflex Inc, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-479-1072 has 1 manufacturer part number on file: RYN0.25BK (Techflex Inc).
Key specifications for RYN0.25BK: Expanded Inside Diameter: 3.750 INCHES NOMINAL IN; Style Designator: SHRINKABLE; Flexibility: FLEXIBLE; Overall Length: 1000.000 INCHES NOMINAL IN. 7 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.