PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1205-0226Heat Sink,electrical-Electronic

Keysight Technologies Inc · NSN 5999-00-193-4632 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-193-4632 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-193-4632. Primary manufacturer part number: 1205-0226.
Features
  • Heat Sink,electrical-Electronic — FSC 5999
  • Overall Diameter: 0.360 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
  • Material Document and Classification: WW-T-700/6 FED SPEC SINGLE MATERIAL RESPONSE
  • Criticality Code Justification: FEAT
  • Surface Treatment: ANODIZE
  • Material: ALUMINUM ALLOY 6061
  • Surface Treatment Document and Classification: MIL-8625,TYPE 3 MIL SPEC SINGLE TREATMENT RESPONSE
  • Overall Diameter: 0.360 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
Applications
  • Applications requiring Aluminum Alloy 6061 construction
General Description

The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-00-193-4632, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 23 commercial cross-references from 18 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
NSN5999-00-193-4632
Primary Part Number1205-0226
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerKeysight Technologies Inc
StatusCANCELLED
Overall Diameter0.360 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
Material Document and ClassificationWW-T-700/6 FED SPEC SINGLE MATERIAL RESPONSE
Criticality Code JustificationFEAT
Surface TreatmentANODIZE
MaterialALUMINUM ALLOY 6061
Surface Treatment Document and ClassificationMIL-8625,TYPE 3 MIL SPEC SINGLE TREATMENT RESPONSE
Overall Diameter0.360 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
Material Document and ClassificationWW-T-700/6 FED SPEC SINGLE MATERIAL RESPONSE
Criticality Code JustificationFEAT
Surface TreatmentANODIZE
MaterialALUMINUM ALLOY 6061
Surface Treatment Document and ClassificationMIL-8625,TYPE 3 MIL SPEC SINGLE TREATMENT RESPONSE
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor6625-01-362-1400 (1115B)
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJN
Weight0.0001 lbs
Cube0.0000 cu ft
Verified Substitutes 12
No Item Name Available
6625-01-362-14001115B SUCCESSOR
Dolly,test Equipment
Keysight Technologies Inc
4820-00-036-287599121739 INTERCHANGEABLE
Valve,check
Alfa Laval Inc
1680-00-118-937221739 INTERCHANGEABLE
Bar,grip Control
Mason Electric Co. Dba Mason Controls
5970-00-133-9242000-7198-000 INTERCHANGEABLE
Insulator,plate
Leach International Corp Div Leach International Corporation
2520-00-163-240511153 INTERCHANGEABLE
Shaft
Komatsu America Corporation
5985-00-175-0284HDH-09003GHD INTERCHANGEABLE
Coupler,directional
Hirose Electric U.s.a., Inc.
4320-00-218-37935425P INTERCHANGEABLE
Deflector,dirt and Liquid
Curtiss-Wright Electro-Mechanical Corporation Div Epd
3110-00-227-2201 INTERCHANGEABLE
Ball,bearing
5331-00-420-7590MS28775-153 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
1205-0226 Hewlett-Packard Company Dba HP (USA)
425226-1 Raytheon Company Div Corp (USA)
21739 Ocean Technology Inc (USA)
0N124526 National Security Agency (USA)
1115B Thermalloy Co Inc (USA)
DRY-071219-0014 Baainbw Abt. L (DEU)
6075 144631 Te Ka De Felten & Guilleaume Fernmeldeanlagen Gmbh (DEU)
13031592 Us Army Aviation and Missile Command (USA)
1205-0226 PRIMARY Keysight Technologies Inc (USA)
CV0037-001 Northrop Grumman Corp Electronic Systems Defensive System Div (USA)
C5072339 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
10246470 Us Army Aviation and Missile Command (USA)
13153291-1 Us Army Aviation and Missile Command (USA)
012-109436-01 Itt Industries Inc Systems Div (USA)
SM-C-657581-1 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
425226-1 Raytheon Company Dba Raytheon Co (USA)
1115B IV-Electronic Klaus Vespermann Kg (DEU)
11153 IV-Electronic Klaus Vespermann Kg (DEU)
156678-01 Ge Aviation Systems Llc (USA)
C5072339 Us Army Electronic Warfare Laboratory See CAGE Code 80063 (USA)
Related Parts
SUCCESSOR 6625-01-362-1400 Dolly,test Equipment · 1115B
5999-00-162-7590SUCCESSOR
NO ITEM NAME AVAILABLE
4820-00-036-2875INTERCHANGEABLE
VALVE,CHECK
99121739
1680-00-118-9372INTERCHANGEABLE
BAR,GRIP CONTROL
21739
5970-00-133-9242INTERCHANGEABLE
INSULATOR,PLATE
000-7198-000
2520-00-163-2405INTERCHANGEABLE
SHAFT
11153
5985-00-175-0284INTERCHANGEABLE
COUPLER,DIRECTIONAL
HDH-09003GHD
4320-00-218-3793INTERCHANGEABLE
DEFLECTOR,DIRT AND LIQUID
5425P
3110-00-227-2201INTERCHANGEABLE
BALL,BEARING
5331-00-420-7590INTERCHANGEABLE
O-RING
MS28775-153
6685-00-595-5348INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
21739
1560-00-602-5442INTERCHANGEABLE
STRAP ASSY,OIL TANK
1115-3

Frequently Asked Questions

What is NSN 5999-00-193-4632?

NSN 5999-00-193-4632 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 5999-00-193-4632?

NSN 5999-00-193-4632 has 23 cross-referenced part numbers: 1205-0226 (Hewlett-Packard Company Dba HP), 425226-1 (Raytheon Company Div Corp), 21739 (Ocean Technology Inc), 0N124526 (National Security Agency), 1115B (Thermalloy Co Inc) and 18 more.

What NSN replaces 5999-00-193-4632?

There are 12 known substitutes for 5999-00-193-4632: 5999-00-162-7590, 6625-01-362-1400, 4820-00-036-2875 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1205-0226?

Key specifications for 1205-0226: Special Features: WEAPON SYSTEM ESSENTIAL; Overall Diameter: 0.360 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN; Material Document and Classification: WW-T-700/6 FED SPEC SINGLE MATERIAL RESPONSE; Criticality Code Justification: FEAT. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5999-00-193-4632 still in active supply?

NSN 5999-00-193-4632 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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