PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TX0522BHeat Sink,electrical-Electronic

Cts Electronic Components (california) Inc Dba Ierc Div Cts Electronic Components · NSN 5999-01-100-8126 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-100-8126 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-100-8126. Primary manufacturer part number: TX0522B.
Features
  • Heat Sink,electrical-Electronic — FSC 5999
  • Body Style: THERMAL LINK
  • Material: COPPER ALLOY 170 AND BERYLLIUM OXIDE
  • Body Style: THERMAL LINK
  • Material: COPPER ALLOY 170 AND BERYLLIUM OXIDE
  • 2 verified cross-references
  • Primary manufacturer: Cts Electronic Components (california) Inc Dba Ierc Div Cts Electronic Components
Applications
  • Applications requiring Copper Alloy 170 and Beryllium Oxide construction
General Description

The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-100-8126, 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 Cts Electronic Components (california) Inc Dba Ierc Div Cts Electronic Components. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-100-8126
Primary Part NumberTX0522B
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerCts Electronic Components (california) Inc Dba Ierc Div Cts Electronic Components
StatusACTIVE
Body StyleTHERMAL LINK
MaterialCOPPER ALLOY 170 AND BERYLLIUM OXIDE
Body StyleTHERMAL LINK
MaterialCOPPER ALLOY 170 AND BERYLLIUM OXIDE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJZ
Weight0.0100 lbs
Cube0.0023 cu ft
Verified Substitutes 2
5999-00-938-515710222878-1 INTERCHANGEABLE
Heat Sink,electrical-Electronic
Us Army Aviation and Missile Command
5999-01-226-3542260-4TH5B INTERCHANGEABLE
Heat Sink,electrical-Electronic
Wakefield Thermal Solutions, Inc Div Wakefield Thermal Solutions
Cross-Reference Index
Part NumberManufacturer
12272142 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
TX0522B PRIMARY Cts Electronic Components (california) Inc Dba Ierc Div Cts Electronic Components (USA)
Related Parts
5999-00-938-5157INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
10222878-1
5999-01-226-3542INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
260-4TH5B

Frequently Asked Questions

What is NSN 5999-01-100-8126?

NSN 5999-01-100-8126 is a Heat Sink,electrical-Electronic, manufactured by Cts Electronic Components (california) Inc Dba Ierc Div Cts Electronic Components, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-100-8126?

NSN 5999-01-100-8126 has 2 cross-referenced part numbers: 12272142 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), TX0522B (Cts Electronic Components (california) Inc Dba Ierc Div Cts Electronic Components).

What NSN replaces 5999-01-100-8126?

There are 2 known substitutes for 5999-01-100-8126: 5999-00-938-5157, 5999-01-226-3542. Verify interchangeability with system specifications before substitution.

What are the specifications of TX0522B?

Key specifications for TX0522B: Body Style: THERMAL LINK; End Item Identification: GPS,M1A1,M1,XM1 GPS,XM1 TANK,OIP,OIP WITH FLAT WINDOW,NEW TRU; Material: COPPER ALLOY 170 AND BERYLLIUM OXIDE; Overall Width: 0.3800 INCHES NOMINAL IN. 10 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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