The Insulation Sleeving,electrical, cataloged under National Stock Number 5970-01-679-4976, 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 Viking Electronics, Inc.. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-01-679-4976 |
| Primary Part Number | RYC TAT1251/4 |
| Item Name | Insulation Sleeving,electrical |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Viking Electronics, Inc. |
| Status | ACTIVE |
| Design Form | FULL ROUND |
| Style Designator | NONSHRINKABLE |
| Flexibility | FLEXIBLE |
| Wall Thickness | 0.029 INCHES NOMINAL IN |
| Features Provided | ADHESIVE COATING |
| Inside Diameter | 0.250 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Color | RED |
| Minimum Tensile Strength | 1500 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 |
|---|---|
| RYC TAT1251/4 PRIMARY | Viking Electronics, Inc. (USA) |
| RYC TAT1251/4 PRIMARY | Te Connectivity Public Limited Company (IRL) |
| Reference | Meaning |
|---|---|
| 4305811 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
| RYC TAT1251/4 | 5/9 Secondary reference Te Connectivity Ltd |
NSN 5970-01-679-4976 is a Insulation Sleeving,electrical, manufactured by Viking Electronics, Inc., classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-679-4976 has 2 manufacturer part numbers on file: RYC TAT1251/4 (Viking Electronics, Inc.), RYC TAT1251/4 (Te Connectivity Public Limited Company).
Key specifications for RYC TAT1251/4: Design Form: FULL ROUND; Style Designator: NONSHRINKABLE; Flexibility: FLEXIBLE; Overall Length: 4.0 FEET NOMINAL FT. 10 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.