The Insulation Sleeving,electrical, cataloged under National Stock Number 5970-00-726-9554, 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 Markel Corp.. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5970-00-726-9554 |
| Primary Part Number | FLXT-ETW-18-10 |
| Item Name | Insulation Sleeving,electrical |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Markel Corp. |
| Status | ACTIVE |
| Style Designator | NONSHRINKABLE |
| Flexibility | FLEXIBLE |
| Wall Thickness | 0.004 INCHES MINIMUM AND 0.008 INCHES MAXIMUM IN |
| Inside Diameter | 0.040 INCHES MINIMUM AND 0.049 INCHES MAXIMUM IN |
| Dielectric Material Voltage Rating Per Unit Thickness | 750.0 VOLTS PER MIL /0.001 INCH/ IN |
| Reliability Indicator | NOT ESTABLISHED |
| Color | NATURAL |
| 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 |
|---|---|
| S-12573-18 | Trelleborg Sealing Solutions Us, Inc. (USA) |
| PL18LWNAT | Saint-Gobain Performance Plastics Corporation Dba Saint Gobain Performance Plastics Corp Div Process Systems (USA) |
| FLXT-ETW-18-10 PRIMARY | Markel Corp. (USA) |
| Reference | Meaning |
|---|---|
| 691C731-5 | 7/2 Vendor item drawing reference U.S. Government activity |
| TUZ-18-NATURAL | 5/9 Secondary reference Ericsson Inc Hitemp Wires Div |
NSN 5970-00-726-9554 is a Insulation Sleeving,electrical, manufactured by Markel Corp., classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-00-726-9554 has 3 manufacturer part numbers on file: S-12573-18 (Trelleborg Sealing Solutions Us, Inc.), PL18LWNAT (Saint-Gobain Performance Plastics Corporation Dba Saint Gobain Performance Plastics Corp Div Process Systems), FLXT-ETW-18-10 (Markel Corp.).
Key specifications for FLXT-ETW-18-10: Style Designator: NONSHRINKABLE; Flexibility: FLEXIBLE; Wall Thickness: 0.004 INCHES MINIMUM AND 0.008 INCHES MAXIMUM IN; Inside Diameter: 0.040 INCHES MINIMUM AND 0.049 INCHES MAXIMUM IN. 8 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.