NSN 5970-01-658-0340 · NIIN 016580340 · Part number BU-26-5
Mueller Electric Company, Inc. Div Mueller Electric Company · FSC 5970 — Electrical Insulators and Insulating Materials · FSG 59 — Electrical and Electronic Equipment Components · CAGE 76545
Government record, cited
NSN 5970-01-658-0340 — this item is cataloged by the U.S. Government under National Stock Number 5970-01-658-0340. Manufacturer of record part number: BU-26-5.
Also searched as5970-01-658-0340 ·
5970016580340 ·
NIIN 016580340 ·
01-658-0340 ·
FSC 5970 Electrical Insulators and Insulating Materials · CAGE 76545 · BU-26-5
Manufacturer of record: Mueller Electric Company, Inc. Div Mueller Electric Company
Identification
NSN: 5970-01-658-0340
NIIN: 016580340
FSC: 5970 — Electrical Insulators and Insulating Materials
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: BU-26-5
Manufacturer: Mueller Electric Company, Inc. Div Mueller Electric Company
General Description
The Insulation Sleeving,electrical,s, cataloged under National Stock Number 5970-01-658-0340, 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 Mueller Electric Company, Inc. Div Mueller Electric Company. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Catalog Facts
Item Name
Insulation Sleeving,electrical,s
FSC / FSG
5970 — Electrical Insulators and Insulating Materials (FSG 59)
Manufacturers
Mueller Electric Company, Inc. Div Mueller Electric Company (CAGE 76545)
Technical Specifications
Parameter
Value
NSN
5970-01-658-0340
Primary Part Number
BU-26-5
Item Name
Insulation Sleeving,electrical,s
FSC / FSG
5970 / 59 — Electrical Insulators and Insulating Materials
Manufacturer
Mueller Electric Company, Inc. Div Mueller Electric Company
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Mueller Electric Company, Inc. Div Mueller Electric Company (USA)
No interchangeability data on file.
Other items in FSC 5970 — Electrical Insulators and Insulating Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5970-00-001-1330
5970-00-001-1330 · Item name not on file
5970-00-001-1357
INSULATOR,BUSHING
5970-00-001-1418
INSULATOR,BUSHING
5970-00-001-1420
INSULATOR,PLATE
5970-00-001-1472
INSULATOR,PLATE
5970-00-001-1476
INSULATOR,WASHER
5970-00-001-1477
5970-00-001-1477 · Item name not on file
5970-00-001-1479
5970-00-001-1479 · Item name not on file
Frequently Asked Questions
What is NSN 5970-01-658-0340?
NSN 5970-01-658-0340 is a Insulation Sleeving,electrical,s, manufactured by Mueller Electric Company, Inc. Div Mueller Electric Company, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
What part numbers are listed for NSN 5970-01-658-0340?
NSN 5970-01-658-0340 has 1 manufacturer part number on file: BU-26-5 (Mueller Electric Company, Inc. Div Mueller Electric Company).
Is NSN 5970-01-658-0340 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.