NSN 5970-01-487-1428 · NIIN 014871428 · Part number BU-26-2
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 5970-01-487-1428 — this item is cataloged by the U.S. Government under National Stock Number 5970-01-487-1428. Manufacturer of record part number: BU-26-2.
Also searched as5970-01-487-1428 ·
5970014871428 ·
NIIN 014871428 ·
01-487-1428 ·
FSC 5970 Electrical Insulators and Insulating Materials · CAGE 76545 · BU-26-2 · 714-8345
Main Body Small End Inside Diameter: 0.297 INCHES NOMINAL AS SUPPLIED IN
Main Body Large End Inside Diameter: 1.016 INCHES NOMINAL AS SUPPLIED IN
Style Designator: BOOT-STRAIGHT
Flexibility: SEMIFLEXIBLE
Main Body Overall Length: 8.875 INCHES NOMINAL AS SUPPLIED IN
Reliability Indicator: NOT ESTABLISHED
Color: RED
Identification
NSN: 5970-01-487-1428
NIIN: 014871428
FSC: 5970 — Electrical Insulators and Insulating Materials
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: BU-26-2
Manufacturer: Mueller Electric Company, Inc. Div Mueller Electric Company
General Description
The Insulation Sleeving,electrical,s, cataloged under National Stock Number 5970-01-487-1428, 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. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5970-01-487-1428
Primary Part Number
BU-26-2
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
Main Body Small End Inside Diameter
0.297 INCHES NOMINAL AS SUPPLIED IN
Main Body Large End Inside Diameter
1.016 INCHES NOMINAL AS SUPPLIED IN
Style Designator
BOOT-STRAIGHT
Flexibility
SEMIFLEXIBLE
Main Body Overall Length
8.875 INCHES NOMINAL AS SUPPLIED IN
Reliability Indicator
NOT ESTABLISHED
Color
RED
Material
PLASTIC VINYL LOCATION NOT OTHERWISE SPECIFIED
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 5970-01-487-1428?
NSN 5970-01-487-1428 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 5970-01-487-1428?
NSN 5970-01-487-1428 has 2 manufacturer part numbers on file: 714-8345 (Rs Components B.v.), BU-26-2 (Mueller Electric Company, Inc. Div Mueller Electric Company).
What are the specifications of BU-26-2?
Key specifications for BU-26-2: Main Body Small End Inside Diameter: 0.297 INCHES NOMINAL AS SUPPLIED IN; Main Body Large End Inside Diameter: 1.016 INCHES NOMINAL AS SUPPLIED IN; Style Designator: BOOT-STRAIGHT; Flexibility: SEMIFLEXIBLE. 8 specifications are documented in the U.S. Government catalog.
Is NSN 5970-01-487-1428 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.