PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

140-666Heat Sink,electrical-Electronic

Technipower Llc Dba Unipower · NSN 5999-00-220-3062 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-220-3062 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-220-3062. Primary manufacturer part number: 140-666.
Features
  • Heat Sink,electrical-Electronic — FSC 5999
  • 1 verified cross-reference
  • Primary manufacturer: Technipower Llc Dba Unipower
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-00-220-3062, is classified within Federal Supply Class 5999 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Technipower Llc Dba Unipower. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Catalog Facts
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 — No Item Name Available (FSG 59)
ManufacturersTechnipower Llc Dba Unipower (CAGE 13850)
Technical Specifications
ParameterValue
NSN5999-00-220-3062
Primary Part Number140-666
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerTechnipower Llc Dba Unipower
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Verified Substitutes 1
2920-00-766-5846 INTERCHANGEABLE
Spark Plug
Cross-Reference Index
Part NumberManufacturer
140-666 PRIMARY Technipower Llc Dba Unipower (USA)
Related Parts
2920-00-766-5846INTERCHANGEABLE
SPARK PLUG

Frequently Asked Questions

What is NSN 5999-00-220-3062?

NSN 5999-00-220-3062 is a Heat Sink,electrical-Electronic, manufactured by Technipower Llc Dba Unipower, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-220-3062?

NSN 5999-00-220-3062 has 1 cross-referenced part number: 140-666 (Technipower Llc Dba Unipower).

What NSN replaces 5999-00-220-3062?

There is 1 known substitute for 5999-00-220-3062: 2920-00-766-5846. Verify interchangeability with system specifications before substitution.

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