PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B4.8-6Insulator,feedthru

Lektro, Inc. · NSN 5970-01-543-8870 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-01-543-8870 — this item is cataloged by the U.S. Government under National Stock Number 5970-01-543-8870. Primary manufacturer part number: B4.8-6.
Features
  • Insulator,feedthru — FSC 5970
  • 1 verified cross-reference
  • Primary manufacturer: Lektro, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Insulator,feedthru, cataloged under National Stock Number 5970-01-543-8870, is classified within Federal Supply Class 5970 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Lektro, Inc.. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5970-01-543-8870
Primary Part NumberB4.8-6
Item NameInsulator,feedthru
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerLektro, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
6625-00-052-6062B-48-6 INTERCHANGEABLE
Lead,test
Fluke Electronics Corp
5940-01-326-2162MS21004-8 INTERCHANGEABLE
Terminal,lug
Sae International Dba Sae International
6110-01-463-6986B486 INTERCHANGEABLE
Regulator,voltage
Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
7690-01-724-5823B-486 INTERCHANGEABLE
Marker,identification
Brady United States
5365-01-733-5206B48-6 INTERCHANGEABLE
Bushing,sleeve
Boston Gear Llc
Cross-Reference Index
Part NumberManufacturer
B4.8-6 Lektro, Inc. (USA)
Related Parts
6625-00-052-6062INTERCHANGEABLE
LEAD,TEST
B-48-6
5940-01-326-2162INTERCHANGEABLE
TERMINAL,LUG
MS21004-8
6110-01-463-6986INTERCHANGEABLE
REGULATOR,VOLTAGE
B486
7690-01-724-5823INTERCHANGEABLE
MARKER,IDENTIFICATION
B-486
5365-01-733-5206INTERCHANGEABLE
BUSHING,SLEEVE
B48-6

Frequently Asked Questions

What is NSN 5970-01-543-8870?

NSN 5970-01-543-8870 is a Insulator,feedthru, manufactured by Lektro, Inc., classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-01-543-8870?

NSN 5970-01-543-8870 has 1 cross-referenced part number: B4.8-6 (Lektro, Inc.).

What NSN replaces 5970-01-543-8870?

There are 5 known substitutes for 5970-01-543-8870: 6625-00-052-6062, 5940-01-326-2162, 6110-01-463-6986 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B4.8-6?

Key specifications for B4.8-6: End Item Identification: TOWBARLESS AIRCRAFT TUG; Special Features: SHORT RED INSULATOR. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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