PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2262RHeat Sink,electrical-Electronic

Thermalloy Co Inc · NSN 5999-01-090-4262 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-090-4262 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-090-4262. Primary manufacturer part number: 2262R.
Features
  • Heat Sink,electrical-Electronic — FSC 5999
  • Material: COPPER ALLOY
  • Overall Diameter: 0.602 INCHES NOMINAL IN
  • Mounting Facility Type and Quantity: 1 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY
  • Mounting Facility Type and Quantity: 1 THREADED HOLE(S) SECOND MOUNTING FACILITY
  • Surface Treatment: ANODIZE
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SECOND MOUNTING FACILITY
  • Thread Class: 2B SECOND MOUNTING FACILITY
Applications
  • Applications requiring Copper Alloy construction
General Description

The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-090-4262, 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 Thermalloy Co Inc. Government technical data includes 20 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
NSN5999-01-090-4262
Primary Part Number2262R
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerThermalloy Co Inc
StatusACTIVE
MaterialCOPPER ALLOY
Overall Diameter0.602 INCHES NOMINAL IN
Mounting Facility Type and Quantity1 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY
Mounting Facility Type and Quantity1 THREADED HOLE(S) SECOND MOUNTING FACILITY
Surface TreatmentANODIZE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SECOND MOUNTING FACILITY
Thread Class2B SECOND MOUNTING FACILITY
Nominal Thread Size0.112 INCHES SECOND MOUNTING FACILITY IN
Material Document and ClassificationQQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE
Unthreaded Mounting Hole Diameter0.318 INCHES NOMINAL FIRST MOUNTING FACILITY IN
MaterialCOPPER ALLOY
Overall Diameter0.602 INCHES NOMINAL IN
Mounting Facility Type and Quantity1 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY
Mounting Facility Type and Quantity1 THREADED HOLE(S) SECOND MOUNTING FACILITY
Surface TreatmentANODIZE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SECOND MOUNTING FACILITY
Thread Class2B SECOND MOUNTING FACILITY
Nominal Thread Size0.112 INCHES SECOND MOUNTING FACILITY IN
Material Document and ClassificationQQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE
Unthreaded Mounting Hole Diameter0.318 INCHES NOMINAL FIRST MOUNTING FACILITY IN
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6145-01-224-2081 (88723)
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJZ
Weight0.1000 lbs
Cube0.0009 cu ft
Verified Substitutes 2
6145-01-224-208188723 SUCCESSOR
Cable,special Purpose,electrical
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
5999-01-596-30852262R SUCCESSOR
Heat Sink,electrical-Electronic
Boyd Laconia Llc
Cross-Reference Index
Part NumberManufacturer
2262R Thermalloy Co Inc (USA)
6010450-019 Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA)
Related Parts
SUCCESSOR 6145-01-224-2081 Cable,special Purpose,electrical · 88723
5999-01-596-3085SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC
2262R

Frequently Asked Questions

What is NSN 5999-01-090-4262?

NSN 5999-01-090-4262 is a Heat Sink,electrical-Electronic, manufactured by Thermalloy Co Inc, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-090-4262?

NSN 5999-01-090-4262 has 2 cross-referenced part numbers: 2262R (Thermalloy Co Inc), 6010450-019 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc).

What NSN replaces 5999-01-090-4262?

There are 2 known substitutes for 5999-01-090-4262: 6145-01-224-2081, 5999-01-596-3085. Verify interchangeability with system specifications before substitution.

What are the specifications of 2262R?

Key specifications for 2262R: Material: COPPER ALLOY; Overall Diameter: 0.602 INCHES NOMINAL IN; Mounting Facility Type and Quantity: 1 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY; Mounting Facility Type and Quantity: 1 THREADED HOLE(S) SECOND MOUNTING FACILITY. 22 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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