PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1205-0231Heat Sink,electrical-Electronic

Keysight Technologies Inc · NSN 5999-01-142-5110 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-142-5110 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-142-5110. Primary manufacturer part number: 1205-0231.
Features
  • Heat Sink,electrical-Electronic — FSC 5999
  • Surface Treatment: ANODIZE
  • Overall Diameter: 0.812 INCHES NOMINAL IN
  • Material: ALUMINUM
  • Surface Treatment: ANODIZE
  • Overall Diameter: 0.812 INCHES NOMINAL IN
  • Material: ALUMINUM
  • 4 verified cross-references
Applications
  • Applications requiring Aluminum construction
General Description

The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-142-5110, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-142-5110
Primary Part Number1205-0231
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerKeysight Technologies Inc
StatusACTIVE
Surface TreatmentANODIZE
Overall Diameter0.812 INCHES NOMINAL IN
MaterialALUMINUM
Surface TreatmentANODIZE
Overall Diameter0.812 INCHES NOMINAL IN
MaterialALUMINUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Weight0.0400 lbs
Cube0.0010 cu ft
Verified Substitutes 10
5133-00-061-6282 INTERCHANGEABLE
Drill,twist
5133-00-189-9186 INTERCHANGEABLE
Drill,twist
5330-00-344-82254369479-3 INTERCHANGEABLE
Gasket
Agco Corp Parts Opn
5315-00-844-5912 INTERCHANGEABLE
Pin,straight,headless
5998-00-899-5919 INTERCHANGEABLE
Printed Circuit Board
4920-00-978-47521205-2 INTERCHANGEABLE
Indicator Assy,test
Mission Systems Davenport Inc.
5945-01-157-6568 INTERCHANGEABLE
Relay
4820-01-356-2617 INTERCHANGEABLE
Valve,safety Relief
6685-01-410-75721205-2 INTERCHANGEABLE
Humidity Element,resistance
Newport Scientific Inc Hygrodynamic Products Div
5330-01-601-793312052 INTERCHANGEABLE
Retainer,packing
Harley Davidson Motor Co Inc
Cross-Reference Index
Part NumberManufacturer
1205-0231 Keysight Technologies, Inc. (USA)
1205-0231 Hewlett-Packard Company Dba HP (USA)
12052 Thermalloy Co Inc (USA)
1205-0231 PRIMARY Keysight Technologies Inc (USA)
Related Parts
5133-00-061-6282INTERCHANGEABLE
DRILL,TWIST
5133-00-189-9186INTERCHANGEABLE
DRILL,TWIST
5330-00-344-8225INTERCHANGEABLE
GASKET
4369479-3
5315-00-844-5912INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5998-00-899-5919INTERCHANGEABLE
PRINTED CIRCUIT BOARD
4920-00-978-4752INTERCHANGEABLE
INDICATOR ASSY,TEST
1205-2
5945-01-157-6568INTERCHANGEABLE
RELAY
4820-01-356-2617INTERCHANGEABLE
VALVE,SAFETY RELIEF
6685-01-410-7572INTERCHANGEABLE
HUMIDITY ELEMENT,RESISTANCE
1205-2
5330-01-601-7933INTERCHANGEABLE
RETAINER,PACKING
12052

Frequently Asked Questions

What is NSN 5999-01-142-5110?

NSN 5999-01-142-5110 is a Heat Sink,electrical-Electronic, manufactured by Keysight Technologies Inc, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-142-5110?

NSN 5999-01-142-5110 has 4 cross-referenced part numbers: 1205-0231 (Keysight Technologies, Inc.), 1205-0231 (Hewlett-Packard Company Dba HP), 12052 (Thermalloy Co Inc), 1205-0231 (Keysight Technologies Inc).

What NSN replaces 5999-01-142-5110?

There are 10 known substitutes for 5999-01-142-5110: 5133-00-061-6282, 5133-00-189-9186, 5330-00-344-8225 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1205-0231?

Key specifications for 1205-0231: Surface Treatment: ANODIZE; End Item Identification: S-3B VIKING AIRCRAFT, F-14 TOMCAT AIRCRAFT.; Overall Diameter: 0.812 INCHES NOMINAL IN; Overall Height: 0.300 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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