The Insulation Sleeving,electrical, cataloged under National Stock Number 5970-01-391-4093, 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 Insultab Inc Div Pexco Athol. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5970-01-391-4093 |
| Primary Part Number | TFE300-28BLK |
| Item Name | Insulation Sleeving,electrical |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Insultab Inc Div Pexco Athol |
| Status | ACTIVE |
| Temp Rating | 250.0 CELSIUS DEGC |
| Dielectric Withstanding Voltage in Volts | 800.0 |
| Style Designator | NONSHRINKABLE |
| Flexibility | FLEXIBLE |
| Wall Thickness | 0.007 INCHES MINIMUM AND 0.011 INCHES MAXIMUM IN |
| Inside Diameter | 0.013 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN |
| Reliability Indicator | NOT ESTABLISHED |
| Color | BLACK |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE |
| 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 |
|---|---|
| TFE300-28BLK PRIMARY | Insultab Inc Div Pexco Athol (USA) |
| Reference | Meaning |
|---|---|
| 571028-28-10 | 7/2 Vendor item drawing reference Hamilton Sundstrand Corporation Dba Collins Aerospace |
NSN 5970-01-391-4093 is a Insulation Sleeving,electrical, manufactured by Insultab Inc Div Pexco Athol, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-391-4093 has 1 manufacturer part number on file: TFE300-28BLK (Insultab Inc Div Pexco Athol).
Key specifications for TFE300-28BLK: Temp Rating: 250.0 CELSIUS DEGC; Dielectric Withstanding Voltage in Volts: 800.0; Style Designator: NONSHRINKABLE; Flexibility: FLEXIBLE. 9 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.