The Insulation Sleeving,electrical, cataloged under National Stock Number 5970-00-957-9957, 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 Raytheon Company Dba Raytheon Co. Government technical data includes 12 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through both NSN and commercial part number lookups. 13 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-00-957-9957 |
| Primary Part Number | 267-1012P20 |
| Item Name | Insulation Sleeving,electrical |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Temp Rating | -30.0 CELSIUS AND 75.0 CELSIUS DEGC |
| Style Designator | NONSHRINKABLE |
| Flexibility | FLEXIBLE |
| Wall Thickness | 0.013 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN |
| Departure From Cited Document | AS MOD BY COLOR |
| Nondefinitive Spec/std Data | 1 CATEGORY AND I CLASS AND U FORM AND A GRADE AND 20AWG SIZE AND UA SUBFORM AND F TYPE |
| Inside Diameter | 0.032 INCHES MINIMUM AND 0.039 INCHES MAXIMUM IN |
| Dielectric Material Voltage Rating Per Unit Thickness | 800.0 VOLTS PER MIL /0.001 INCH/ IN |
| Reliability Indicator | NOT ESTABLISHED |
| Color | WHITE |
| Environmental Protection | FLAME RESISTANT AND MILDEW RESISTANT AND OIL RESISTANT |
| Minimum Tensile Strength | 1800 POUNDS PER SQUARE INCH LBS |
| 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 |
|---|---|
| 267-1012P20 | Raytheon Company (USA) |
| 267-1012P20 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| NATVAR 261 | 3/1 Design control — primary reference U.S. Government activity |
| HYFLEX TRANSFLEX | 5/9 Secondary reference Minnesota Mining and Mfg Co 3m Company |
| ASTRA 701 | 5/9 Secondary reference U.S. Government activity |
| 3002 | 5/9 Secondary reference 3m Co Admininistrative Electronic & Communications |
| 3002 | 5/9 Secondary reference Minnesota Mining and Mfg Co 3m Company |
| MIL-I-631 | 4/1 Identification reference U.S. Government activity |
| 415191-10-W | 5/2 Secondary reference U.S. Government activity |
| ITCO 919 | 5/1 Secondary reference Insultab Inc Div Pexco Athol |
| GLITEX 120 | 5/1 Secondary reference Nalge Co Div of Sybron Corp |
| HYFLEX TRANSFLEX | 5/9 Secondary reference 3m Co Admininistrative Electronic & Communications |
| 267-1012P20 | 5/9 Secondary reference Raytheon Company Div Corp |
| SYNTHOLVAR | 5/1 Secondary reference Varflex Corporation Dba Varflex Corp |
| FLEXITE STANDARD | 5/1 Secondary reference Markel Corp. |
NSN 5970-00-957-9957 is a Insulation Sleeving,electrical, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-00-957-9957 has 2 manufacturer part numbers on file: 267-1012P20 (Raytheon Company), 267-1012P20 (Raytheon Company Dba Raytheon Co).
Key specifications for 267-1012P20: Temp Rating: -30.0 CELSIUS AND 75.0 CELSIUS DEGC; Style Designator: NONSHRINKABLE; Flexibility: FLEXIBLE; Wall Thickness: 0.013 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN. 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.