The Sleeving,textile,electrical, cataloged under National Stock Number 5970-01-554-9889, 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 Mcmaster-Carr Supply Co. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5970-01-554-9889 |
| Primary Part Number | 2573K26 BLACK |
| Item Name | Sleeving,textile,electrical |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Material | GLASS FIBER LOCATION NOT OTHERWISE SPECIFIED |
| 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 |
|---|---|
| 2573K26 BLACK PRIMARY | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| 2573K26 | 3/1 Design control — primary reference Mcmaster-Carr Supply Co |
NSN 5970-01-554-9889 is a Sleeving,textile,electrical, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-554-9889 has 1 manufacturer part number on file: 2573K26 BLACK (Mcmaster-Carr Supply Co).
Key specifications for 2573K26 BLACK: Special Features: EXPANDABLE RUBBER COATED-UP TO TWICE ITS RELAXED SIZE-TEMP RANGE IS -67 DEG. TO 392 DEG, FOR WIRE SIZE 9 AWG,; Material: GLASS FIBER LOCATION NOT OTHERWISE SPECIFIED. 1 specification is 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.