PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

43167Heat Sink-Insulator

Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit · NSN 5999-01-445-5167 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-445-5167 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-445-5167. Primary manufacturer part number: 43167.
Features
  • Heat Sink-Insulator — FSC 5999
  • Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
  • Body Style: BOARD MOUNTEDBOARD MOUNTED
  • Material: PLASTIC SILICONE
  • Unthreaded Mounting Hole Diameter: 0.130 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
  • Body Style: BOARD MOUNTEDBOARD MOUNTED
  • Material: PLASTIC SILICONE
Applications
  • Applications requiring Plastic Silicone construction
General Description

The Heat Sink-Insulator, cataloged under National Stock Number 5999-01-445-5167, 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 Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-445-5167
Primary Part Number43167
Item NameHeat Sink-Insulator
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerTransistor Devices Inc Div Astrodyne Tdi High Power Business Unit
StatusACTIVE
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Body StyleBOARD MOUNTEDBOARD MOUNTED
MaterialPLASTIC SILICONE
Unthreaded Mounting Hole Diameter0.130 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Body StyleBOARD MOUNTEDBOARD MOUNTED
MaterialPLASTIC SILICONE
Unthreaded Mounting Hole Diameter0.130 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Verified Substitutes 8
5950-00-138-4078SMB524019-2 INTERCHANGEABLE
Transformer,pulse
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5935-00-340-280943167 INTERCHANGEABLE
Connector,plug,electrical
Stromberg-Carlson Corp a Plessey Telecommunications Co
5305-00-622-657343167 INTERCHANGEABLE
Screw,flow Stop Adj
Triumph Engine Control Systems Llc
5905-00-847-4537 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
3020-01-198-124143167 INTERCHANGEABLE
Sprocket Wheel
Insinger Machine Co
5360-01-373-332243167 INTERCHANGEABLE
Spring,helical,compression
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5120-01-604-565043167 INTERCHANGEABLE
Tool,tip
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5995-01-734-630543167 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Cables to Go
Cross-Reference Index
Part NumberManufacturer
43167 PRIMARY Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit (USA)
Related Parts
5950-00-138-4078INTERCHANGEABLE
TRANSFORMER,PULSE
SMB524019-2
5935-00-340-2809INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
43167
5305-00-622-6573INTERCHANGEABLE
SCREW,FLOW STOP ADJ
43167
5905-00-847-4537INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
3020-01-198-1241INTERCHANGEABLE
SPROCKET WHEEL
43167
5360-01-373-3322INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
43167
5120-01-604-5650INTERCHANGEABLE
TOOL,TIP
43167
5995-01-734-6305INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
43167

Frequently Asked Questions

What is NSN 5999-01-445-5167?

NSN 5999-01-445-5167 is a Heat Sink-Insulator, manufactured by Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-445-5167?

NSN 5999-01-445-5167 has 1 cross-referenced part number: 43167 (Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit).

What NSN replaces 5999-01-445-5167?

There are 8 known substitutes for 5999-01-445-5167: 5950-00-138-4078, 5935-00-340-2809, 5305-00-622-6573 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 43167?

Key specifications for 43167: Overall Width: 0.560 INCHES NOMINAL0.560 INCHES NOMINAL IN; Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 0.010 INCHES NOMINAL0.010 INCHES NOMINAL IN; Overall Length: 1.240 INCHES NOMINAL1.240 INCHES NOMINAL IN. 14 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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