The Insulation Sleeving,electrical, cataloged under National Stock Number 5970-01-520-4838, 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 Mattr Corp. Div Connection Systems. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5970-01-520-4838 |
| Primary Part Number | CRLS-6-24 |
| Item Name | Insulation Sleeving,electrical |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Mattr Corp. Div Connection Systems |
| Status | ACTIVE |
| Expanded Inside Diameter | 6.750 INCHES MINIMUM IN |
| Style Designator | SHRINKABLE |
| Recovered Wall Thickness | 0.800 INCHES NOMINAL IN |
| Recovered Inside Diameter | 2.500 INCHES MAXIMUM IN |
| 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 |
|---|---|
| CRLS-6-24 | Mattr Corp. Div Connection Systems (CAN) |
| Reference | Meaning |
|---|---|
| CRLS-6-24 | 3/9 Design control — primary reference Shawcor Pipe Protection, Llc Dba Dgs Canusa Div Dsg-Canusa |
NSN 5970-01-520-4838 is a Insulation Sleeving,electrical, manufactured by Mattr Corp. Div Connection Systems, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-520-4838 has 1 manufacturer part number on file: CRLS-6-24 (Mattr Corp. Div Connection Systems).
Key specifications for CRLS-6-24: Expanded Inside Diameter: 6.750 INCHES MINIMUM IN; Style Designator: SHRINKABLE; Recovered Wall Thickness: 0.800 INCHES NOMINAL IN; Recovered Inside Diameter: 2.500 INCHES MAXIMUM IN. 4 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.