PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1205-0220Heat Sink,electrical-Electronic

Keysight Technologies Inc · NSN 5999-01-139-1511 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-139-1511 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-139-1511. Primary manufacturer part number: 1205-0220.
Features
  • Heat Sink,electrical-Electronic — FSC 5999
  • Criticality Code Justification: FEAT
  • Overall Diameter: 0.375 INCHES NOMINAL IN
  • Material: ALUMINUM ALLOY
  • Surface Treatment: ANODIZE
  • Criticality Code Justification: FEAT
  • Overall Diameter: 0.375 INCHES NOMINAL IN
  • Material: ALUMINUM ALLOY
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-139-1511, 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 Keysight Technologies Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-139-1511
Primary Part Number1205-0220
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerKeysight Technologies Inc
StatusCANCELLED
Criticality Code JustificationFEAT
Overall Diameter0.375 INCHES NOMINAL IN
MaterialALUMINUM ALLOY
Surface TreatmentANODIZE
Criticality Code JustificationFEAT
Overall Diameter0.375 INCHES NOMINAL IN
MaterialALUMINUM ALLOY
Surface TreatmentANODIZE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJN
Weight0.0100 lbs
Cube0.0010 cu ft
Verified Substitutes 12
No Item Name Available
6145-00-284-0621425-0041-00 SUCCESSOR
Cable,radio Frequency
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5133-00-061-627310910 INTERCHANGEABLE
Drill,twist
Precision Twist Drill Co
5935-00-246-5280 INTERCHANGEABLE
Socket,plug-in Electronic Compon
1730-00-331-9597 INTERCHANGEABLE
Adapter,aircraft Jacking Point
3110-00-652-8950SM-C-321424 INTERCHANGEABLE
Bearing,multiple
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5360-00-837-483112017 INTERCHANGEABLE
Spring,helical,compression
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5905-00-960-48741201-7 INTERCHANGEABLE
Potentiometer Assy
Mission Systems Davenport Inc.
6160-00-997-3765 INTERCHANGEABLE
Battery Box
5985-01-320-7703120-17 INTERCHANGEABLE
Antenna
Shakespeare Company, Llc Div Military Electronics
Cross-Reference Index
Part NumberManufacturer
12017 Thermalloy Co Inc (USA)
1205-0220 Keysight Technologies, Inc. (USA)
260-10SH5E Eg and G Wakefield Engineering (USA)
1205-0220 Hewlett-Packard Company Dba HP (USA)
260-10SH5E Wakefield Engineering Co (USA)
1205-0220 PRIMARY Keysight Technologies Inc (USA)
Related Parts
5999-01-172-4417SUCCESSOR
NO ITEM NAME AVAILABLE
6145-00-284-0621SUCCESSOR
CABLE,RADIO FREQUENCY
425-0041-00
5133-00-061-6273INTERCHANGEABLE
DRILL,TWIST
10910
5935-00-246-5280INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
1730-00-331-9597INTERCHANGEABLE
ADAPTER,AIRCRAFT JACKING POINT
3110-00-652-8950INTERCHANGEABLE
BEARING,MULTIPLE
SM-C-321424
5360-00-837-4831INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
12017
5905-00-960-4874INTERCHANGEABLE
POTENTIOMETER ASSY
1201-7
6160-00-997-3765INTERCHANGEABLE
BATTERY BOX
5985-01-320-7703INTERCHANGEABLE
ANTENNA
120-17
4810-01-398-9911INTERCHANGEABLE
VALVE,SOLENOID
13384792-001
5210-01-431-1888INTERCHANGEABLE
GAGE,SCREW PITCH

Frequently Asked Questions

What is NSN 5999-01-139-1511?

NSN 5999-01-139-1511 is a Heat Sink,electrical-Electronic, manufactured by Keysight Technologies Inc, classified under FSC 5999 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5999-01-139-1511?

NSN 5999-01-139-1511 has 6 cross-referenced part numbers: 12017 (Thermalloy Co Inc), 1205-0220 (Keysight Technologies, Inc.), 260-10SH5E (Eg and G Wakefield Engineering), 1205-0220 (Hewlett-Packard Company Dba HP), 260-10SH5E (Wakefield Engineering Co) and 1 more.

What NSN replaces 5999-01-139-1511?

There are 12 known substitutes for 5999-01-139-1511: 5999-01-172-4417, 6145-00-284-0621, 5133-00-061-6273 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1205-0220?

Key specifications for 1205-0220: Overall Height: 0.406 INCHES NOMINAL IN; Criticality Code Justification: FEAT; Overall Diameter: 0.375 INCHES NOMINAL IN; Material: ALUMINUM ALLOY. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5999-01-139-1511 still in active supply?

NSN 5999-01-139-1511 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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